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Topics referred to by the same term
Mean difference may refer to: Mean absolute difference, a measure of statistical dispersion Mean signed difference, a measure of central tendency Mean
Mean_difference
Measure of statistical dispersion
relative mean absolute difference, which is the mean absolute difference divided by the arithmetic mean, and equal to twice the Gini coefficient. The mean absolute
Mean_absolute_difference
Statistical measure of the magnitude of a phenomenon
between two variables, the regression coefficient in a regression, the mean difference, and the risk of a particular event (such as a heart attack). Effect
Effect_size
Data visualization
and Douglas G. Altman. In other fields, it is also called a Tukey mean-difference plot, named after John Tukey. Consider a sample consisting of n {\displaystyle
Bland–Altman_plot
Statistical measure of effect size
strictly standardized mean difference (SSMD) is a measure of effect size. It is the mean divided by the standard deviation of a difference between two random
Strictly standardized mean difference
Strictly_standardized_mean_difference
Method of calculating heat transfer in flow systems
In thermal engineering, the logarithmic mean temperature difference (LMTD) is used to determine the temperature driving force for heat transfer in flow
Logarithmic mean temperature difference
Logarithmic_mean_temperature_difference
Statistical error measure
involves squaring the differences, so that a few large differences will increase the RMSE to a greater degree than the MAE. The mean absolute error of a
Mean_absolute_error
Graphical display of scientific results
the forest plot will be on the right hand side and will indicate the mean difference in effect between the test and control groups in the studies. A more
Forest_plot
Statistical measure
simply a differences of scalars; it can also be generalized to the vector lengths of a displacement, as in the bioinformatics concept of root mean square
Root_mean_square_deviation
Representation of a type of random process
values on a stochastic basis. The model is in the form of a stochastic difference equation (or recurrence relation) which should not be confused with a
Autoregressive_model
Measure of the error of an estimator
In statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator (of a procedure for estimating an unobserved quantity) measures
Mean_squared_error
Measure of change in a periodic variable
signal; if the reference is a mean value (DC component), the peak amplitude is the maximum absolute value of the difference from that reference. Peak-to-peak
Amplitude
Statistical technique to use observational data for causal analysis
Difference in differences (DID or DD) is a quasi-experimental statistical technique used in econometrics and quantitative research in the social sciences
Difference_in_differences
In mathematical analysis, the mean value theorem for divided differences generalizes the mean value theorem to higher derivatives. For any n + 1 pairwise
Mean value theorem (divided differences)
Mean_value_theorem_(divided_differences)
Measure of inequality of a statistical distribution
absolute difference, which is equivalent to the definition based on the Lorenz curve. The mean absolute difference is the average absolute difference of all
Gini_coefficient
Expression in calculus
an interval [a, b], the difference quotient f ( b ) − f ( a ) b − a {\displaystyle {\frac {f(b)-f(a)}{b-a}}} is called the mean (or average) value of the
Difference_quotient
Continuous glucose monitor accuracy measure
Mean Absolute Relative Difference (MARD) is a standard metric used to evaluate the accuracy of continuous glucose monitoring systems, which gives the
Mean absolute relative difference
Mean_absolute_relative_difference
Type of location test in statistical analysis
pairs. Thus the mean difference between the groups does not depend on whether we organize the data as pairs. Although the mean difference is the same for
Paired_difference_test
Drug discovery technique
PMID 20397965. Zhang XHD (2010). "Strictly standardized mean difference, standardized mean difference and classical t-test for the comparison of two groups"
High-throughput_screening
Numeric quantity representing the center of a collection of numbers
Arithmetic-geometric mean Arithmetic-harmonic mean Cesàro mean Chisini mean Contraharmonic mean Elementary symmetric mean Geometric-harmonic mean Grand mean Heinz mean Heronian
Mean
In statistics, the mean signed difference (MSD), also known as mean signed deviation, mean signed error, or mean bias error is a sample statistic that
Mean_signed_deviation
Israeli statistician
tools that utilize the Gini Mean Difference (GMD) (also known as the absolute mean difference and mean absolute difference) as the measure of association
Edna_Schechtman
Measure of variation in statistics
expected return from the actual return results in the difference from the mean. Squaring the difference in each period and taking the average gives the overall
Standard_deviation
Difference between males and females
described by the mean (peak distribution) and standard deviation (indicator of size of range). Often only the mean or mean difference between sexes is
Sex_differences_in_humans
Statistic used in statistical hypothesis testing
paired between samples so the difference between the members becomes the sample. Typically the mean of the differences is then compared to zero. The common
Test_statistic
Data analysis approach in frequentist statistics
second axis on the right, shifted to show the mean difference scale; and (3) plot the mean difference with its confidence interval as a marker with error
Estimation_statistics
Difference of two numbers divided by the logarithm of their quotient
In mathematics, the logarithmic mean is a function of two non-negative numbers which is equal to their difference divided by the logarithm of their quotient
Logarithmic_mean
Difference between a variable's observed value and a reference value
is given by the difference: d = x − m {\displaystyle d=x-m} This calculation represents the "distance" of a data point from the mean and provides information
Deviation_(statistics)
Statistical test
drawn from populations with different mean values. Typically, however, the one-way ANOVA is used to test for differences among at least three groups, since
One-way_analysis_of_variance
Regular period of greatest solar activity
"Surface warming by the solar cycle as revealed by the composite mean difference projection" (PDF). Geophysical Research Letters. 34 (14): L14703. Bibcode:2007GeoRL
Solar_maximum
Mathematical term
} (The Greek letter delta, Δ, is commonly used in mathematics to mean "difference" or "change".) Given two points ( x 1 , y 1 ) {\displaystyle (x_{1}
Slope
Type of average of a collection of numbers
this Table, he [Capt. Sturmy] notes the greatest difference to be 14 minutes; and so taking the mean for the true Variation, he concludes it then and
Arithmetic_mean
Metric for difference between two colors
discontinuity stems from the discontinuity of the mean hue h ¯ ′ {\textstyle {\bar {h}}^{\prime }} and the hue difference Δ h ′ {\textstyle \Delta h'} . The maximum
Color_difference
Theorem in mathematics
In calculus and real analysis, the mean value theorem (or Lagrange's mean value theorem) is a theorem about differentiable functions, roughly stating that
Mean_value_theorem
Discrete analog of a derivative
Authors for whom finite differences mean finite difference approximations define the forward/backward/central differences as the quotients given in
Finite_difference
Mental connection between ideas or mental states
Stages 6 and 7. Mean response times are determined for Stages 3, 4, 6, and 7, the mean difference between Stage 6 and Stage 3 (MeanStage6 - MeanStage3) will
Association_(psychology)
Primary time standard globally used to regulate clocks and time
widely embraced by most countries and is the effective successor to Greenwich Mean Time (GMT) in everyday usage and common applications. In specialised domains
Coordinated_Universal_Time
Square root of the mean square
In mathematics, the root mean square (abbrev. RMS, rms or rms) of a set of values is the square root of the set's mean square. Given a set x i {\displaystyle
Root_mean_square
Medical statistic
measurement and the effect size, usually expressed as a standardized mean difference (SMD; also known as Cohen's d in psychology). Using the one-half standard
Minimal_important_difference
Statistics concept
population mean). The residual is the difference between the observed value and the estimated value of the quantity of interest (for example, a sample mean). The
Errors_and_residuals
without replicates. The easily interpretable ones are fold change, mean difference, percent inhibition, and percent activity. However, the drawback common
Hit_selection
Feature enhancement algorithm in imaging science
In imaging science, difference of Gaussians (DoG) is a feature enhancement algorithm that involves the subtraction of one Gaussian blurred version of an
Difference_of_Gaussians
Alias for the UTC+00:00 time zone
Greenwich Mean Time (GMT) is the local mean time at the Royal Observatory in Greenwich, London, counted from midnight. At different times in the past
Greenwich_Mean_Time
Statistical phenomenon
In statistics, regression toward the mean (also called regression to the mean, reversion to the mean, and reversion to mediocrity) is the phenomenon where
Regression_toward_the_mean
Topics referred to by the same term
dispersion Mean Deviation (book), a 2010 non-fiction book by former Metal Maniacs magazine editor Jeff Wagner Deviation (statistics) Mean difference (disambiguation)
Mean_deviation
N-th root of the product of n numbers
In mathematics, the geometric mean (also known as the mean proportional) is a mean or average which indicates a central tendency of a finite collection
Geometric_mean
Method for calculating average values
than the arithmetic mean, with the difference being greater when the angles are widely distributed. For example, the arithmetic mean of the three angles
Circular_mean
Comparisons in quantitative sciences
In any quantitative science, the terms relative change and relative difference are used to compare two quantities while taking into account the "sizes"
Relative_change
Class of numerical techniques
finite-difference methods (FDM) are a class of numerical techniques for solving differential equations by approximating derivatives with finite differences.
Finite_difference_method
Method of statistical inference
direction approaches 100%. However, this absurd assumption that the mean difference between two groups cannot be zero implies that the data cannot be independent
Statistical_hypothesis_test
Statistical hypothesis test
at level α, can we state that the treatment pair with the greatest mean difference is significantly different at level α. Consider two models, 1 and 2
F-test
Topics referred to by the same term
Doctor (Doctor of Sacred Music) Standardized mean difference, a basis for effect size in statistics Sauter mean diameter, in fluid dynamics Semi Metalic Disc [pt]
SMD
Term in statistical hypothesis testing
1 − μ 2 {\displaystyle d=\mu _{1}-\mu _{2}} the to-be-detected difference in the mean values of both samples. This expression can be rearranged, implying
Power_(statistics)
Ability of an organism to keep its body temperature within certain boundaries
2 °C), and the mean difference in Maltese children aged 4–14 between oral and axillary temperature was 0.56 °C, while the mean difference between rectal and
Thermoregulation
Average blood pressure in an individual during a single cardiac cycle
with increased risk. The mean arterial pressure is calculated as the sum of the diastolic blood pressure plus the difference of the systolic pressure
Mean_arterial_pressure
Idea that the menstrual cycle synchronizes with those of other women in close proximity
The mean menstrual cycle length was 30.5 days (SD = 4.56). Based on the mean cycle length of the women in this study, the expected difference by chance
Menstrual_synchrony
One of the Great Lakes of North America
a moderating effect on the climate of western Michigan. There is a mean difference in summer water temperatures of 5 to 10 degrees Fahrenheit (2 to 5
Lake_Michigan
Measure of statistical effect size
A recently proposed statistical parameter, strictly standardized mean difference (SSMD), can address these issues. One estimate of SSMD is robust to
Z-factor
Transient elevation of blood glucose caused by stress of illness
bedside glucometry was a reliable estimate of plasma glucose with a mean difference of 7.9 mg/dL, but still may not coincide with every individual. The
Stress_hyperglycemia
Measure of prediction accuracy of a forecast
The mean absolute percentage error (MAPE), also known as mean absolute percentage deviation (MAPD), is a measure of prediction accuracy of a forecasting
Mean absolute percentage error
Mean_absolute_percentage_error
Variable capable of taking on a limited number of possible values
group: a represents the mean of the control group and b is the difference between the mean of the experimental group and the mean of the control group.
Categorical_variable
Statistical property quantifying how much a collection of data is spread out
deviation Interquartile range (IQR) Range Mean absolute difference (also known as Gini mean absolute difference) Median absolute deviation (MAD) Average
Statistical_dispersion
Predicted elapsed time between inherent failures of a system during operation
Mean time between failures (MTBF) is the predicted elapsed time between inherent failures of a mechanical or electronic system during normal system operation
Mean_time_between_failures
Time in astronomy
century; it still has some uses in astronomy and navigation. The difference between local mean time and local apparent time is the equation of time. Local
Local_mean_time
Specifies the orbit of an object in space
simply adding (or subtracting) n⋅δt where δt represents the small time difference. Mean anomaly does not measure an angle between any physical objects (except
Mean_anomaly
Inverse of the average of the inverses of a set of numbers
only. The harmonic mean is the reciprocal of the arithmetic mean of the reciprocals of the numbers, that is, the generalized f-mean with f ( x ) = 1 x
Harmonic_mean
Type of sunshine recorder
revealed that during summer the differences of the two measurement systems can reach up to 4 h per day. The mean difference was −0.23 h, i.e. the measurements
Campbell–Stokes_recorder
How many standard deviations apart from the mean an observed datum is
calculated by subtracting the population mean from an individual raw score and then dividing the difference by the population standard deviation. This
Standard_score
Chemical compound
published in 2022 found that lemborexant had an effect size (standardized mean difference (SMD)) against placebo for treatment of insomnia at 4 weeks of 0.36
Lemborexant
Measure of consensus in ratings given by multiple observers
the differences between each pair of the two raters' observations. The mean of these differences is termed bias and the reference interval (mean ± 1.96 × standard
Inter-rater_reliability
Type of temperature
of their temperature difference multiplied by their emissivity (ability to emit and absorb heat). The MRT is the area weighted mean temperature of all the
Mean_radiant_temperature
Probability distribution
shows the difference between the mean and the geometric mean for shape parameters α and β from zero to 2. Besides the fact that the difference between them
Beta_distribution
Measure of distance between two proportions
understood to mean that, given the data, it is likely that there is a difference in the population proportions. However, this difference might be too small
Cohen's_h
Statistical algorithm
filter coefficients that relate to producing the least mean square of the error signal (difference between the desired and the actual signal). It is a stochastic
Least_mean_squares_filter
Statistical measure of central tendency
truncated mean or trimmed mean is a statistical measure of central tendency, much like the mean and median. It involves the calculation of the mean after
Truncated_mean
Mathematical problem
assembling data in pairs and taking differences, and then using an ordinary t-test to test for the mean-difference being zero: clearly this would not be
Behrens–Fisher_problem
Microorganisms giving mental health effects
efficacy of psychobiotics in reducing anxiety, with a pooled standard mean difference of −0.03, indicating no significant effect. Despite limited evidence
Psychobiotic
1996 soundtrack album by John Zorn
"Modulus" - 1:01 "Addition" - 1:08 "Ergodicity" - 1:24 "Prism" - 1:15 "Mean Difference" - 2:13 "Likelihood" - 1:18 "Deviation" - 1:02 "Curl" - 1:12 "Probable
Filmworks_V:_Tears_of_Ecstasy
theorem / (F:B) (1:D) Limiting density of discrete points / (1:DC) Mean difference / (1:DCR) Memorylessness / (1:DCR) Probability vector / (1:D) Probability-generating
Catalog of articles in probability theory
Catalog_of_articles_in_probability_theory
Concept in orbital mechanics
the correction due to the difference between true anomaly and mean anomaly. Also, sometimes the mean longitude (or mean mean longitude) is considered to
Mean_longitude
Average air pressure in assisted ventilation
if there is no difference between inspiratory and expiratory resistance. There are several equations aimed at determining the real mean airway pressure
Mean_airway_pressure
Comparison of two distributions
ISBN 0-8247-9613-6 Wikimedia Commons has media related to Q-Q plot. Probability plot Manuel Gimond, The empirical QQ plot (and derived Tukey mean-difference plot)
Q–Q_plot
Mood disorder
"Meta-analyses have shown small mean differences between drug and placebo arms, and the clinical significance of these differences continues to be debated."
Major_depressive_disorder
Film by Samantha Jayne and Arturo Perez Jr.
Mean Girls is a 2024 American teen musical comedy film directed by Samantha Jayne and Arturo Perez Jr. from a screenplay written by Tina Fey. It is the
Mean_Girls_(2024_film)
Static pressure exerted by the weight of the Earth's atmosphere
9212 inHg, or about 14.696 psi. The atm unit is roughly equivalent to the mean sea-level atmospheric pressure on Earth; that is, the Earth's atmospheric
Atmospheric_pressure
Statistical property
of a statistic (usually an estimator of a parameter, like the average or mean) is the standard deviation of its sampling distribution. The standard error
Standard_error
Measure of forecasting quality
The main difference with the method for non-seasonal time series, is that the denominator is the mean absolute error of the one-step
Mean_absolute_scaled_error
Measure of quality of a stimulus or system
significant differences between ratings for the same stimuli when they are obtained using different scales. The MOS is calculated as the arithmetic mean over
Mean_opinion_score
Operation in differential calculus
the arithmetic mean of the left and right derivatives at that point, if the latter two both exist. Neither Rolle's theorem nor the mean-value theorem hold
Symmetric_derivative
Combination medication
2 points (an approximate 36% reduction). This resulted in a least-squares mean difference in reduction of depression scores between dextromethorphan/bupropion
Dextromethorphan/bupropion
Statistics computed from a sample of data
The sample mean (sample average) or empirical mean (empirical average), and the sample covariance or empirical covariance are statistics computed from
Sample_mean_and_covariance
Metric quantifying vegetation density
The normalized difference vegetation index (NDVI) is a widely used metric for quantifying the health and density of vegetation using sensor data. It is
Normalized difference vegetation index
Normalized_difference_vegetation_index
PMID 12702200. Zhang XHD (2010). "Strictly standardized mean difference, standardized mean difference and classical t-test for the comparison of two groups"
Dual-flashlight_plot
Class of psychoactive drugs
2022. It included the Z-drugs and found effect sizes (standardized mean difference (SMD)) ranging from 0.03 to 0.63 for these agents. More specifically
Nonbenzodiazepine
American statistician and psychologist
interpretation thresholds for the correlation r and the standardized mean difference d. Below are listed some of Cohen's works. Where multiple authors are
Jacob_Cohen_(statistician)
Exact statistical hypothesis test
common case where the test statistic is the mean, this is also equivalent to computing a single set of differences of each pair and iterating over all of the
Permutation_test
Statistical test for multiple comparisons
critical values for different pairs of mean comparisons. Thus, the procedure is more likely to reveal significant differences between group means and to commit
Newman–Keuls_method
Feature of some stochastic processes
less than one—then the first difference of the process will be stationary; otherwise, the process will need to be differenced multiple times to become stationary
Unit_root
Generalization of golden and silver ratios
The metallic mean (also metallic ratio, metallic constant, or noble mean) of a natural number n is a positive real number, denoted here S n , {\displaystyle
Metallic_mean
Mathematical technique
K(x_{i}-x)\neq 0} . The difference m ( x ) − x {\displaystyle m(x)-x} is called mean shift in Fukunaga and Hostetler. The mean-shift algorithm now sets
Mean_shift
MEAN DIFFERENCE
MEAN DIFFERENCE
Girl/Female
Hindu
Precious blue stone, Fish, Jewel (Wife of the himalayas)
Female
English
Pet form of Welsh Mared, MEGAN means "pearl."Â
Surname or Lastname
English (chiefly Devon)
English (chiefly Devon) : nickname for a thin or lean person, from Middle English lene ‘lean’ (Old English hlǣne).Irish : reduced Anglicized form of Gaelic Ó Liatháin (see Lehane).Reduced form of Scottish McLean.
Boy/Male
Hindu
Lecturer, Respect, Supernatural power, Lord of mind
Female
Hungarian
Hungarian feminine form of Latin Timæus, TÃMEA means "honor."
Male
Hebrew
Short form of Hebrew Immanuw'el (English Immanuel), MAN means "God is with us."
Surname or Lastname
English
English : variant of Mease or Meece.Norwegian (Sør Trøndelag) : habitational name from a farmstead named Meås, from me ‘middle’ + ås ‘hill’, ‘ridge’.French (Méas) : habitational name from a locality so named in Nièvre.Cambodian : unexplained.
Male
English
Anglicized form of Irish Gaelic Seán, SEAN means "God is gracious."
Surname or Lastname
English
English : metonymic occupational name for a grower or seller of beans, from Old English bēan ‘beans’ (a collective singular). Occasionally it may have been applied as a nickname for a someone considered of little importance.English : nickname for a pleasant person, from Middle English bēne ‘friendly’, ‘amiable’ (of unknown origin; there is apparently no connection with Bain or Bon).Scottish : Anglicized form of the Gaelic personal name Beathán, a diminutive of beatha ‘life’.Translation of German Bohne, or an altered spelling of Biehn. See also Bihn.Mistranslation of French Lefevre. As the vocabulary word fèvre ‘smith’ was replaced by forgeron, the meaning of the old word became opaque, and the surname was reinterpreted as if it were La fève, from fève ‘(fava) bean’. Lefevre is the most common name in French Canada; great numbers of them migrated to the US, where many adopted the name Bean, in the belief that it was a translation of Lefèvre. See also Lafave.
Boy/Male
Indian
Religion
Surname or Lastname
Irish
Irish : variant spelling of Keane.English : variant spelling of Keen.
Surname or Lastname
Irish
Irish : shortened form of McMeans.English : habitational names from East and West Meon in Hampshire, which take their names from the Meon river. The word is Celtic but of uncertain meaning, possibly ‘swift one’.nickname from Middle English mene ‘inferior in rank’, ‘of low degree’ (from Old English gemǣne), or from Middle English mene ‘moderate in behaviour’ (from Old French mëen, mean).
Male
French
A derivative of Anglo-Norman French Jehan, JEAN means "God is gracious." Compare with feminine Jean.
Male
English
 English occupational surname transferred to forename use, from the Latin word decanus, DEAN means "dean; ecclesiastical supervisor."
Surname or Lastname
French
French : from the personal name Jean, French form of
John.English : variant of Jayne.A Vivien Jean, recorded in Canada in 1681, was also known as
Girl/Female
Hindu
Pearl
Surname or Lastname
English
English : topographic name from Middle English dene ‘valley’ (Old English denu), or a habitational name from any of several places in various parts of England named Dean, Deane, or Deen from this word. In Scotland this is a habitational name from Den in Aberdeenshire or Dean in Ayrshire.English : occupational name for the servant of a dean or nickname for someone thought to resemble a dean. A dean was an ecclesiastical official who was the head of a chapter of canons in a cathedral. The Middle English word deen is a borrowing of Old French d(e)ien, from Latin decanus (originally a leader of ten men, from decem ‘ten’), and thus is a cognate of Deacon.Irish : variant of Deane.Italian : occupational name cognate with 2, from Venetian dean ‘dean’, a dialect form of degan, from degano (Italian decano).
Surname or Lastname
English
English : topographic name for someone who lived by a meadow, from Middle English mede ‘meadow’ (Old English mǣd).English : metonymic occupational name for a brewer or seller of mead (Old English meodu), an alcoholic beverage made by fermenting honey.
Female
English
Scottish form of French Jeanne, JEAN means "God is gracious." Compare with masculine Jean.
Male
English
Anglicized form of Irish Gaelic Cian, KEAN means "ancient, distant."
MEAN DIFFERENCE
MEAN DIFFERENCE
Girl/Female
Hindu
To be worshipped
Boy/Male
Hindu
The Moon
Girl/Female
Arabic
Precious; Lord of Specific Wood
Boy/Male
Hindu, Indian, Kannada, Tamil, Telugu
Golden Lord
Girl/Female
Australian, Indian, Sanskrit
Containing the Moon
Boy/Male
German
Prosperous Wolf
Girl/Female
Indian
Pearl, Brilliant, Teat
Boy/Male
Indian
The bestower of form, The shaper
Boy/Male
Tamil
Wise, Intelligent
Boy/Male
Hindu
MEAN DIFFERENCE
MEAN DIFFERENCE
MEAN DIFFERENCE
MEAN DIFFERENCE
MEAN DIFFERENCE
n.
pl. of Man.
n.
That which is mean, or intermediate, between two extremes of place, time, or number; the middle point or place; middle rate or degree; mediocrity; medium; absence of extremes or excess; moderation; measure.
n.
Any substance that is coarsely pulverized like meal, but not granulated.
a.
Of a mean spirit; base; groveling.
v. t.
To sprinkle with, or as with, meal.
imp. & p. p.
of Mean
pl.
of Man
superl.
Wanting dignity of mind; low-minded; base; destitute of honor; spiritless; as, a mean motive.
v. t.
To supply with men; to furnish with a sufficient force or complement of men, as for management, service, defense, or the like; to guard; as, to man a ship, boat, or fort.
a.
Average; having an intermediate value between two extremes, or between the several successive values of a variable quantity during one cycle of variation; as, mean distance; mean motion; mean solar day.
v. i.
To cause to lean; to incline; to support or rest.
v. i.
Wanting fullness, richness, sufficiency, or productiveness; deficient in quality or contents; slender; scant; barren; bare; mean; -- used literally and figuratively; as, the lean harvest; a lean purse; a lean discourse; lean wages.
v. t.
To have in the mind, as a purpose, intention, etc.; to intend; to purpose; to design; as, what do you mean to do ?
n.
Specifically, dinner; the chief meal.
n.
A quantity having an intermediate value between several others, from which it is derived, and of which it expresses the resultant value; usually, unless otherwise specified, it is the simple average, formed by adding the quantities together and dividing by their number, which is called an arithmetical mean. A geometrical mean is the square root of the product of the quantities.
v. i.
Wanting flesh; destitute of or deficient in fat; not plump; meager; thin; lank; as, a lean body; a lean cattle.
superl.
Of poor quality; as, mean fare.
superl.
Penurious; stingy; close-fisted; illiberal; as, mean hospitality.
n.
Food, in general; anything eaten for nourishment, either by man or beast. Hence, the edible part of anything; as, the meat of a lobster, a nut, or an egg.