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PARAMETER VALIDATION

  • Parameter validation
  • software, the term parameter validation is the automated processing, in a module, to validate the spelling or accuracy of parameters passed to that module

    Parameter validation

    Parameter_validation

  • Training, validation, and test data sets
  • Tasks in machine learning

    training, validation, and testing sets. The model is initially fit on a training data set, which is a set of examples used to fit the parameters (e.g. weights

    Training, validation, and test data sets

    Training,_validation,_and_test_data_sets

  • Cross-validation (statistics)
  • Statistical model validation technique

    Cross-validation, sometimes called rotation estimation or out-of-sample testing, is any of various similar model validation techniques for assessing how

    Cross-validation (statistics)

    Cross-validation (statistics)

    Cross-validation_(statistics)

  • Cross-site scripting
  • Security issue for web applications

    vulnerabilities in websites. Cross-document messaging Samy (computer worm) Parameter validation The abbreviation 'XSS' is commonly used to avoid confusion with cascading

    Cross-site scripting

    Cross-site_scripting

  • Hyperparameter optimization
  • Process of finding the optimal set of variables for a machine learning algorithm

    typically measured by cross-validation on the training set or evaluation on a hold-out validation set. Since the parameter space of a machine learner may

    Hyperparameter optimization

    Hyperparameter_optimization

  • Verification and validation
  • Methods for checking conformance to requirements

    words "verification" and "validation" are sometimes preceded with "independent", indicating that the verification and validation is to be performed by a

    Verification and validation

    Verification_and_validation

  • HTTP parameter pollution
  • Web security vulnerability

    web application. Overriding HTTP parameters to alter a web application's behavior, bypassing input and access validation checkpoints, as well as other indirect

    HTTP parameter pollution

    HTTP parameter pollution

    HTTP_parameter_pollution

  • Scale parameter
  • Statistical measure

    a scale parameter is a special kind of numerical parameter of a parametric family of probability distributions. The larger the scale parameter, the more

    Scale parameter

    Scale_parameter

  • Shape parameter
  • Kind of numerical parameter of a parametric family of probability distributions

    probability theory and statistics, a shape parameter (also known as form parameter) is a kind of numerical parameter of a parametric family of probability

    Shape parameter

    Shape parameter

    Shape_parameter

  • Statistical parameter
  • Quantity that indexes a parametrized family of probability distributions

    In statistics, as opposed to its general use in mathematics, a parameter is any quantity of a statistical population that summarizes or describes an aspect

    Statistical parameter

    Statistical_parameter

  • Process validation
  • process validation. The purpose of process validation is to ensure varied inputs lead to consistent and high quality outputs. Process validation is an ongoing

    Process validation

    Process_validation

  • Email address
  • Identifier of the destination where email messages are delivered

    website as validation of user existence. Other validation methods are available, such as cell phone number validation, postal mail validation, and fax validation

    Email address

    Email_address

  • Software verification and validation
  • Process in software project management, software testing, and software engineering

    hand, software validation is: "Was X what we should have built? Does X meet the high-level requirements?" Verification and validation are not the same

    Software verification and validation

    Software_verification_and_validation

  • Regression validation
  • Statistics concept

    statistics is the use of out-of-sample cross validation techniques in meta-analysis. It forms the basis of the validation statistic, Vn, which is used to test

    Regression validation

    Regression_validation

  • Ridge regression
  • Regularization technique for ill-posed problems

    cross-validation loss or its generalizations. For example, Grace Wahba proved that the optimal parameter, in the sense of generalized cross-validation minimizes

    Ridge regression

    Ridge_regression

  • Resampling (statistics)
  • Family of statistical methods based on sampling of available data

    training set) and used to predict for the validation set. Averaging the quality of the predictions across the validation sets yields an overall measure of prediction

    Resampling (statistics)

    Resampling_(statistics)

  • Akaike information criterion
  • Estimator for quality of a statistical model

    model via AIC, it is usually good practice to validate the absolute quality of the model. Such validation commonly includes checks of the model's residuals

    Akaike information criterion

    Akaike_information_criterion

  • Bean Validation
  • Bean Validation defines a metadata model and API for JavaBean validation. The metadata source is annotations, with the ability to override and extend

    Bean Validation

    Bean_Validation

  • Hubble's law
  • Observation in physical cosmology

    Hubble constant H0 is constant at any given moment in time, the Hubble parameter H, of which the Hubble constant is the current value, varies with time

    Hubble's law

    Hubble's law

    Hubble's_law

  • Validation and verification (medical devices)
  • Validation and verification are procedures that ensure that medical devices fulfil their intended purpose. Validation or verification is generally needed

    Validation and verification (medical devices)

    Validation_and_verification_(medical_devices)

  • Approximate Bayesian computation
  • Computational method in Bayesian statistics

    statistics that can be used to estimate the posterior distributions of model parameters. In all model-based statistical inference, the likelihood function is

    Approximate Bayesian computation

    Approximate_Bayesian_computation

  • FIPS 140-3
  • U.S. government cryptographic standard

    of non-invasive attacks when validating at higher security levels, introduced the concept of public security parameter, allowed the deference of certain

    FIPS 140-3

    FIPS_140-3

  • Grey box model
  • Mathematical data production model with limited structure

    from information on the smoothness of results, to models that need only parameter values from data or existing literature. Thus, almost all models are grey

    Grey box model

    Grey_box_model

  • Command-line interface
  • Software interface based on commands formatted as lines of text

    display of results or error messages. Advanced CLIs will validate, interpret and parameter-expand the command line before executing the specified command

    Command-line interface

    Command-line interface

    Command-line_interface

  • Overfitting
  • Flaw in mathematical modelling

    contains more parameters than can be justified by the data. In the special case of a model that consists of a polynomial function, these parameters represent

    Overfitting

    Overfitting

    Overfitting

  • Windows Communication Foundation
  • Software framework

    about messages, such as tracking, tracing, or logging Message or parameter validation Invoking all additional operations when messages are received—such

    Windows Communication Foundation

    Windows_Communication_Foundation

  • V-model
  • Graphic of a systems development lifecycle

    there is also something as validation of system models. This can partially be done on the left side also. To claim that validation only occurs on the right

    V-model

    V-model

    V-model

  • Jackknife resampling
  • Statistical method for resampling

    In statistics, the jackknife (jackknife cross-validation) is a cross-validation technique and, therefore, a form of resampling. It is especially useful

    Jackknife resampling

    Jackknife resampling

    Jackknife_resampling

  • Structure validation
  • Process of evaluating 3-dimensional atomic models of biomacromolecules

    (model-to-data validation), and finally validation on the model itself. While the first two steps are specific to the technique used, validating the arrangement

    Structure validation

    Structure validation

    Structure_validation

  • Friedmann equations
  • Equations in physical cosmology

    S_{-1}(r)=\sinh(r),S_{0}=1,S_{1}=\sin(r).} These three possibilities correspond to parameter k of (0) flat space, (+1) a sphere of constant positive curvature or (−1)

    Friedmann equations

    Friedmann equations

    Friedmann_equations

  • Generalized additive model
  • Statistics models class

    22, 2010). "Additive models and cross-validation" (PDF). Reiss, P.T.; Ogden, T.R. (2009). "Smoothing parameter selection for a class of semiparametric

    Generalized additive model

    Generalized_additive_model

  • Likelihood function
  • Function related to statistics and probability theory

    data by calculating the probability of seeing that data under different parameter values of the model. It is constructed from the joint probability distribution

    Likelihood function

    Likelihood_function

  • Domain Name System Security Extensions
  • Suite of IETF specifications

    resolvers that perform DNSSEC validation had increased to about 15%. Google's public recursive DNS server enabled DNSSEC validation on May 6, 2013. BIND, the

    Domain Name System Security Extensions

    Domain_Name_System_Security_Extensions

  • C string handling
  • Handling of strings in the C programming language

    Retrieved 13 February 2013.{{cite web}}: CS1 maint: location (link) "Parameter Validation". 21 October 2022. Danny Kalev. "They're at it again". InformIT.

    C string handling

    C_string_handling

  • Critical process parameters
  • Critical process parameters (CPP) in pharmaceutical manufacturing are key variables affecting the production process. CPPs are attributes that are monitored

    Critical process parameters

    Critical_process_parameters

  • Confidence interval
  • Range to estimate an unknown parameter

    contain (in repeated sampling) the true value of an unknown statistical parameter, such as a population mean. Rather than reporting a single point estimate

    Confidence interval

    Confidence interval

    Confidence_interval

  • Experian
  • Irish multinational consumer credit reporting company

    constituent of the FTSE 100 Index. Experian is a partner in USPS address validation. It is one of the "Big Three" alongside TransUnion and Equifax. In addition

    Experian

    Experian

    Experian

  • File inclusion vulnerability
  • Type of web vulnerability

    language parameters. If a strong method of input validation such as a whitelist cannot be used, then rely upon input filtering or validation of the passed-in

    File inclusion vulnerability

    File_inclusion_vulnerability

  • Yates analysis
  • assumptions for a univariate measurement process. That is, the model should be validated by analyzing the residuals. Some analysts may prefer a more graphical

    Yates analysis

    Yates_analysis

  • Location parameter
  • Concept in statistics

    In statistics, a location parameter of a probability distribution is a scalar- or vector-valued parameter x 0 {\displaystyle x_{0}} , which determines

    Location parameter

    Location_parameter

  • Larson–Miller relation
  • Equation in materials science engineering

    The Larson–Miller relation, also widely known as the Larson–Miller parameter and often abbreviated LMP, is a parametric relation used to extrapolate experimental

    Larson–Miller relation

    Larson–Miller_relation

  • Hansen solubility parameter
  • Concept in chemistry

    screening with data used to validate the predictions. Hansen parameters have been used to estimate Flory-Huggins Chi parameters, often with reasonable accuracy

    Hansen solubility parameter

    Hansen_solubility_parameter

  • Walk forward optimization
  • Method used in finance to determine the optimal parameters for a trading strategy

    technique known as Cross-validation. It means to take a segment of your data to optimize a system, and another segment of data to validate. Hence, here you optimize

    Walk forward optimization

    Walk_forward_optimization

  • SQL injection
  • Computer hacking technique

    such as dates and email addresses, where strict validation rules can be applied. While input validation alone does not prevent SQL injection and other

    SQL injection

    SQL injection

    SQL_injection

  • Maximum likelihood estimation
  • Method of estimating the parameters of a statistical model, given observations

    statistical model, the observed data is most probable. The point in the parameter space that maximizes the likelihood function is called the maximum likelihood

    Maximum likelihood estimation

    Maximum_likelihood_estimation

  • Exponential family
  • Family of probability distributions related to the normal distribution

    The value of θ {\displaystyle \theta } is called the parameter of the family. A single-parameter exponential family is a set of probability distributions

    Exponential family

    Exponential_family

  • Cluster analysis
  • Grouping a set of objects by similarity

    optimization problem. The appropriate clustering algorithm and parameter settings (including parameters such as the distance function to use, a density threshold

    Cluster analysis

    Cluster analysis

    Cluster_analysis

  • Aquiles
  • clusters Validation of command parameters: Input Parameter Completeness: It is no more necessary to go against a cluster to detect that parameters are missing

    Aquiles

    Aquiles

  • WebGPU Shading Language
  • Shading language for WebGPU

    resource and validation model. WGSL's design emphasizes: Safety and determinism suitable for web security constraints (extensive static validation and well-defined

    WebGPU Shading Language

    WebGPU_Shading_Language

  • Gaganyaan
  • Indian crewed orbital spacecraft

    tests for both. The objective of this test was to check ballistic parameters, validate motor subsystem performance (and confirm the design margins), evaluate

    Gaganyaan

    Gaganyaan

    Gaganyaan

  • .properties
  • File extension

    as Property Resource Bundles. Each parameter is stored as a pair of strings, one storing the name of the parameter (called the key), and the other storing

    .properties

    .properties

  • Nonlinear system identification
  • Identification of nonlinear systems

    system identification: data gathering, model postulate, parameter identification, and model validation. Data gathering is considered as the first and essential

    Nonlinear system identification

    Nonlinear_system_identification

  • South Asia Theological Research Institute
  • South Asia Theological Research Institute (SATHRI) is a doctoral research centre established by the Board of Theological Education of the Senate of Serampore

    South Asia Theological Research Institute

    South_Asia_Theological_Research_Institute

  • Currency detector
  • Device that determines whether notes or coins are genuine or counterfeit

    known as validators or acceptors, paper currency detectors scan paper currency using optical and magnetic sensors. Upon validation, the validator will inform

    Currency detector

    Currency detector

    Currency_detector

  • L-curve
  • Visualization method for regularization

    relative to the size of its residual as a function of a regularization parameter. When the points are plotted in logarithmic scale, the curve typically

    L-curve

    L-curve

  • Prediction interval
  • Estimate of an interval in which future observations will fall

    interval or Bayesian credible interval bears to an unobservable population parameter: prediction intervals predict the distribution of individual future points

    Prediction interval

    Prediction_interval

  • Linear regression
  • Statistical modeling method

    relationships are modeled using linear predictor functions whose unknown model parameters are estimated from the data. Most commonly, the conditional mean of the

    Linear regression

    Linear_regression

  • Bias of an estimator
  • Statistical property

    difference between this estimator's expected value and the true value of the parameter being estimated. An estimator or decision rule with zero bias is called

    Bias of an estimator

    Bias_of_an_estimator

  • Code coverage
  • Metric for source code testing

    require eight tests: Parameter value coverage (PVC) requires that in a method taking parameters, all the common values for such parameters be considered. The

    Code coverage

    Code_coverage

  • FIPS 140-2
  • U.S. government cryptographic standard

    modules/implementations receive validation certificates from NIST and CSE. Items on the FIPS 140-1 and FIPS 140-2 validation list reference validated algorithm implementations

    FIPS 140-2

    FIPS_140-2

  • Hjorth parameters
  • Statistical indicators in signal processing

    Hjorth parameters are indicators of statistical properties used in signal processing in the time domain introduced by Bo Hjorth in 1970. The parameters are

    Hjorth parameters

    Hjorth_parameters

  • Goodness of fit
  • Metric for fit of statistical models

    Likelihood Ratio tests In regression analysis, more specifically regression validation, the following topics relate to goodness of fit: Coefficient of determination

    Goodness of fit

    Goodness_of_fit

  • Item response theory
  • Paradigm for the design, analysis, and scoring of tests

    model. Such an approach is an essential tool in instrument validation. In two and three-parameter models, where the psychometric model is adjusted to fit

    Item response theory

    Item_response_theory

  • Genetex
  • adopted a recombinant monoclonal antibody production platform and refined validation strategies to generate best-in-class reagents characterized by performance

    Genetex

    Genetex

  • First article inspection
  • Design verification process

    A First Article Inspection (FAI) is a production validation process for verifying that a new or modified production process produces conforming parts that

    First article inspection

    First_article_inspection

  • Model selection
  • Task of selecting a statistical model from a set of candidate models

    identification Occam's razor Optimal design Parameter identification problem Scientific modelling Statistical model validation Stein's paradox Hastie, Tibshirani

    Model selection

    Model_selection

  • Relative Atrial Index
  • Numeric parameter used to assess for cardiac shunt defects

    atrial septal defects. Secondary validation studies have confirmed the data in discrete patient populations. This parameter has been shown to predict long-term

    Relative Atrial Index

    Relative_Atrial_Index

  • List of acts of the Parliament of the United Kingdom from 1929
  • assurance on the duration of certain lives for a specified period, to validate certain endowment policies issued by such societies and companies, to exclude

    List of acts of the Parliament of the United Kingdom from 1929

    List_of_acts_of_the_Parliament_of_the_United_Kingdom_from_1929

  • Robust statistics
  • Type of statistics

    many common problems, such as estimating location, scale, and regression parameters. One motivation is to produce statistical methods that are not unduly

    Robust statistics

    Robust_statistics

  • Statistical model
  • Type of mathematical model

    {\displaystyle \Theta } defines the parameters of the model. If a parameterization is such that distinct parameter values give rise to distinct distributions

    Statistical model

    Statistical_model

  • Bash (Unix shell)
  • GNU replacement for the Bourne shell

    brace expansion is combined with variable expansion (a.k.a., parameter expansion and parameter substitution) the variable expansion is performed after the

    Bash (Unix shell)

    Bash (Unix shell)

    Bash_(Unix_shell)

  • List of acts of the Parliament of the United Kingdom from 1905
  • enable her to marry again, and for other purposes. Malone's Divorce (Validation) Act 1905 5 Edw. 7. c. 6 Pr. 30 June 1905 An Act to remove doubts as to

    List of acts of the Parliament of the United Kingdom from 1905

    List_of_acts_of_the_Parliament_of_the_United_Kingdom_from_1905

  • Regression analysis
  • Set of statistical processes for estimating the relationships among variables

    regression use slightly different procedures to estimate alternative location parameters (e.g., quantile regression or Necessary Condition Analysis) or estimate

    Regression analysis

    Regression analysis

    Regression_analysis

  • Quantemol
  • British software development company

    guidelines for self-validation of computational theory for A+M [Atomic and Molecular] processes". It is recognised that while the validation of chemistry sets

    Quantemol

    Quantemol

  • Credible interval
  • Concept in Bayesian statistics

    characterize a probability distribution. It is defined such that an unobserved parameter value has a particular probability γ {\displaystyle \gamma } to fall within

    Credible interval

    Credible interval

    Credible_interval

  • Logistic regression
  • Statistical model for a binary dependent variable

    regression analysis, logistic regression (or logit regression) estimates the parameters of a logistic model (the coefficients in the linear or non linear combinations)

    Logistic regression

    Logistic regression

    Logistic_regression

  • Wald test
  • Statistical test

    Wald test (named after Abraham Wald) assesses constraints on statistical parameters based on the weighted distance between the unrestricted estimate and its

    Wald test

    Wald_test

  • Statistic
  • Single measure of some attribute of a sample

    statistical purpose. Statistical purposes include estimating a population parameter, describing a sample, or evaluating a hypothesis. The average (or mean)

    Statistic

    Statistic

  • Degrees of freedom (statistics)
  • Number of values in the final calculation of a statistic that are free to vary

    into the estimate of a parameter is called the degrees of freedom. In general, the degrees of freedom of an estimate of a parameter are equal to the number

    Degrees of freedom (statistics)

    Degrees_of_freedom_(statistics)

  • Knowledge distillation
  • Machine learning method to transfer knowledge from a large model to a smaller one

    preserves the architecture and the nominal parameter count of the model, while decreasing the bits-per-parameter. Knowledge distillation has been successfully

    Knowledge distillation

    Knowledge_distillation

  • Local regression
  • Moving average and polynomial regression method for smoothing data

    cross-validation locally within the smoothing window. An early example of this is Jerome H. Friedman's "supersmoother", which uses cross-validation to choose

    Local regression

    Local regression

    Local_regression

  • BD+
  • Component of the Blu-ray Disc digital rights management system

    as the stack pointer holding the memory address of the parameters. After parameter validation the system call is executed and a return code is written

    BD+

    BD+

  • Likelihood-ratio test
  • Statistical test that compares goodness of fit

    statistical models, typically one found by maximization over the entire parameter space and another found after imposing some constraint, based on the ratio

    Likelihood-ratio test

    Likelihood-ratio_test

  • List of acts of the Parliament of the United Kingdom from 1907
  • lieu of the Christian Names of Raymond Hill. Murphy Grimshaw's Divorce (Validation) Act 1907 7 Edw. 7. c. 4 Pr. 4 July 1907 An Act to remove doubts as to

    List of acts of the Parliament of the United Kingdom from 1907

    List_of_acts_of_the_Parliament_of_the_United_Kingdom_from_1907

  • FIPS 140
  • U.S. government cryptographic standard

    which the validation is applicable is also listed. Vendors do not always maintain their baseline validations. The Cryptographic Module Validation Program

    FIPS 140

    FIPS_140

  • Verification and validation of computer simulation models
  • simulation model verification. Validation checks the accuracy of the model's representation of the real system. Model validation is defined to mean "substantiation

    Verification and validation of computer simulation models

    Verification_and_validation_of_computer_simulation_models

  • BoundsChecker
  • Memory debugger

    Call Validation can make use of the information gathered for more precise validation of memory pointers. When both memory tracking and API validation are

    BoundsChecker

    BoundsChecker

  • Generalized linear model
  • Class of statistical models

    least squares method for maximum likelihood estimation (MLE) of the model parameters. MLE remains popular and is the default method on many statistical computing

    Generalized linear model

    Generalized_linear_model

  • Z-test
  • Statistical test

    conditions must be met. Nuisance parameters should be known, or estimated with high accuracy (an example of a nuisance parameter would be the standard deviation

    Z-test

    Z-test

    Z-test

  • Student's t-distribution
  • Probability distribution

    and the amount of probability mass in the tails is controlled by the parameter ν {\displaystyle \nu } . For ν = 1 {\displaystyle \nu =1} the Student's

    Student's t-distribution

    Student's t-distribution

    Student's_t-distribution

  • HTTP ETag
  • Communications protocol

    in ETag generation. The ETag mechanism supports both strong validation and weak validation. They are distinguished by the presence of an initial "W/" in

    HTTP ETag

    HTTP ETag

    HTTP_ETag

  • Non-volatile memory
  • Computer memory that does not lose its contents after being turned off

    cleansing Data degradation Data integrity Data security Data validation Data validation and reconciliation Data recovery Storage Data cluster Directory

    Non-volatile memory

    Non-volatile_memory

  • Prior probability
  • Distribution of an uncertain quantity

    particular politician in a future election. The unknown quantity may be a parameter of the model or a latent variable rather than an observable variable.

    Prior probability

    Prior_probability

  • Neural scaling law
  • Statistical law in machine learning

    are scaled up or down. These factors typically include the number of parameters, training dataset size, and training cost. Some models also exhibit performance

    Neural scaling law

    Neural scaling law

    Neural_scaling_law

  • Loss function
  • Mathematical relation assigning a probability event to a cost

    hierarchy[clarification needed]. In statistics, typically a loss function is used for parameter estimation, and the event in question is some function of the difference

    Loss function

    Loss function

    Loss_function

  • Bayesian inference
  • Method of statistical inference

    high-dimensional parameter space. A notable application is to the Planck 2018 CMB data for parameter inference. The six base cosmological parameters in Lambda-CDM

    Bayesian inference

    Bayesian_inference

  • Bayesian information criterion
  • Criterion for model selection

    fitting models, it is possible to increase the maximum likelihood by adding parameters, but doing so may result in overfitting. Both BIC and AIC attempt to resolve

    Bayesian information criterion

    Bayesian_information_criterion

  • Code injection
  • Computer bug exploit caused by invalid data

    the code that is trying to check the parameter, the very code that might have been trying to validate the parameter to defend against an attack. Any function

    Code injection

    Code_injection

  • Taguchi methods
  • Statistical methods to improve the quality of manufactured goods

    variables. With a successfully completed parameter design, and an understanding of the effect that the various parameters have on performance, resources can

    Taguchi methods

    Taguchi_methods

  • List of probability distributions
  • Poisson type distributions. The Conway–Maxwell–Poisson distribution, a two-parameter extension of the Poisson distribution with an adjustable rate of decay

    List of probability distributions

    List_of_probability_distributions

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PARAMETER VALIDATION

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PARAMETER VALIDATION

  • Peirameter
  • n.

    A dynamometer for measuring the force required to draw wheel carriages on roads of different constructions.

  • Pargeter
  • n.

    A plasterer.

  • Operameter
  • n.

    An instrument or machine for measuring work done, especially for ascertaining the number of rotations made by a machine or wheel in manufacturing cloth; a counter.

  • Paramere
  • n.

    One of the symmetrical halves of any one of the radii, or spheromeres, of a radiate animal, as a starfish.

  • Barometrical
  • a.

    Pertaining to the barometer; made or indicated by a barometer; as, barometric changes; barometrical observations.

  • Perimeter
  • n.

    The outer boundary of a body or figure, or the sum of all the sides.

  • Glass
  • v. t.

    A weatherglass; a barometer.

  • Parapeted
  • a.

    Having a parapet.

  • Parameter
  • n.

    A term applied to some characteristic magnitude whose value, invariable as long as one and the same function, curve, surface, etc., is considered, serves to distinguish that function, curve, surface, etc., from others of the same kind or family.

  • Pyrometer
  • n.

    An instrument used for measuring the expansion of solid bodies by heat.

  • Parameter
  • n.

    The ratio of the three crystallographic axes which determines the position of any plane; also, the fundamental axial ratio for a given species.

  • Parameter
  • n.

    Specifically (Conic Sections), in the ellipse and hyperbola, a third proportional to any diameter and its conjugate, or in the parabola, to any abscissa and the corresponding ordinate.

  • Pirameter
  • n.

    A dynamometer for ascertaining the power required to draw carriages over roads.

  • Paraunter
  • adv.

    Peradventure. See Paraventure.

  • Pyrometer
  • n.

    An instrument for measuring degrees of heat above those indicated by the mercurial thermometer.

  • Aneroid
  • n.

    An aneroid barometer.

  • Barometer
  • n.

    An instrument for determining the weight or pressure of the atmosphere, and hence for judging of the probable changes of weather, or for ascertaining the height of any ascent.

  • Perimeter
  • n.

    An instrument for determining the extent and shape of the field of vision.