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Degree to which a process minimizes waste of resources
Efficiency is the often measurable ability to avoid making mistakes or wasting materials, energy, efforts, money, and time while performing a task. In
Efficiency
Topics referred to by the same term
Look up efficiency in Wiktionary, the free dictionary. Efficiency is the extent to which time or effort is well used for the intended task or purpose
Efficiency_(disambiguation)
Situation in which nothing can be improved without something else being hurt
microeconomics, economic efficiency, depending on the context, is usually one of the following two related concepts: Allocative or Pareto efficiency: any changes
Economic_efficiency
The efficiency ratio indicates the expenses as a percentage of revenue (expenses / revenue), with a few variations – it is essentially how much a corporation
Efficiency_ratio
Topics referred to by the same term
Energy efficiency may refer to: Energy efficiency (physics), the ratio between the useful output and input of an energy conversion process Electrical efficiency
Energy_efficiency
Weakly optimal allocation of resources
addition to the context of efficiency in allocation, the concept of Pareto efficiency also arises in the context of efficiency in production vs. x-inefficiency:
Pareto_efficiency
Measure of a ligand's binding energy per atom
Ligand efficiency is a measurement of the binding energy per atom of a ligand to its binding partner, such as a receptor or enzyme. Ligand efficiency is used
Ligand_efficiency
Measure of performance of heat engines
In thermal engineering, exergy efficiency (also known as the second-law efficiency or rational efficiency) computes the effectiveness of a system relative
Exergy_efficiency
Measurement of resource allocation
In a business context, operational efficiency is a measurement of resource allocation and can be defined as the ratio between an output gained from the
Operational_efficiency
Defunct US government agency
The Department of Government Efficiency (DOGE) was a United States federal initiative launched by the second Trump administration. It was first suggested
Department of Government Efficiency
Department_of_Government_Efficiency
Performance measure of a device that uses thermal energy
In thermodynamics, the thermal efficiency ( η t h {\displaystyle \eta _{\rm {th}}} ) is a dimensionless performance measure of a device that uses thermal
Thermal_efficiency
Energy conversion in optics
In optics, wall-plug efficiency or radiant efficiency is the energy conversion efficiency with which the system converts electrical power into radiant
Wall-plug_efficiency
The efficiency of conversion of ingested food to unit of body substance (ECI, also termed "growth efficiency") is an index measure of food fuel efficiency
Efficiency_of_food_conversion
Ratio in plant physiology
Water-use efficiency (WUE) refers to the ratio of plant biomass to water lost by transpiration, can be defined either at the leaf, at the whole plant or
Water-use_efficiency
Ratio of energy extracted from sunlight in solar cells
Solar-cell efficiency is the portion of energy in sunlight that is converted into electricity by a solar cell. Efficiency, in combination with latitude
Solar-cell_efficiency
Extent to which an antenna is uniformly excited
Antenna [aperture] illumination efficiency is a measure of the extent to which an antenna or array is uniformly excited or illuminated. It is typical for
Illumination_efficiency
Economics concepts
There are several concepts of efficiency for a financial market. The most widely discussed is informational or price efficiency, which is a measure of how
Financial_market_efficiency
Statistic for comparing the overall value of a basketball player
statistical benchmark for comparing the overall value of players is called efficiency. It is a composite basketball statistic that is derived from basic individual
Efficiency_(basketball)
Parameter used in drug design
Lipophilic efficiency (LiPE), sometimes referred to as ligand-lipophilicity efficiency (LLE) is a parameter used in drug design and drug discovery to
Lipophilic_efficiency
Work done divided by heat provided
Engine efficiency of thermal engines is the relationship between the total energy contained in the fuel, and the amount of energy used to perform useful
Engine_efficiency
Quality measure of a statistical method
In statistics, efficiency is a measure of quality of an estimator, of an experimental design, or of a hypothesis testing procedure. Essentially, a more
Efficiency_(statistics)
Efficiency leads to increased demand
increase the efficiency of a resource's use lead to a rise, rather than a fall, in total consumption of that resource. Greater efficiency reduces the amount
Jevons_paradox
Percentage of energy converted into electricity
The efficiency of a plant is the percentage of the total energy content of a power plant's fuel that is converted into electricity. The remaining energy
Power_plant_efficiency
Form of thermal efficiency
Fuel efficiency (or fuel economy) is a form of thermal efficiency, meaning the ratio of effort to result of a process that converts chemical potential
Fuel_efficiency
Efficiency of charge transfer in an electrochemical reaction
Faraday efficiency (also called faradaic efficiency, faradaic yield, coulombic efficiency, or current efficiency) describes the efficiency with which
Faraday_efficiency
In welfare economics, distributive efficiency occurs when goods and services are received by those who have the greatest need for them. Abba Lerner first
Distributive_efficiency
Assembly of photovoltaic cells used to generate electricity
conversion efficiency, including its reflectance, thermodynamic efficiency, charge carrier separation efficiency, charge carrier collection efficiency and conduction
Solar_panel
Device used to produce electricity from light
efficiency may be broken down into reflectance efficiency, thermodynamic efficiency, charge carrier separation efficiency and conductive efficiency.
Solar_cell
New Zealand crown agency
Energy Efficiency and Conservation Authority (EECA; Māori: Te Tari Tiaki Pūngao) is a New Zealand government/Crown agency responsible for promoting energy
Energy Efficiency and Conservation Authority
Energy_Efficiency_and_Conservation_Authority
Information rate that can be transmitted over a given bandwidth
Spectral efficiency (alternatively, spectrum efficiency or bandwidth efficiency) refers to the information rate that can be transmitted over a given bandwidth
Spectral_efficiency
Data efficiency refers to efficiency of the many processes that can be applied to data such as storage, access, filtering, sharing, etc., and whether
Data_efficiency
Efficiency standard of air filters
HEPA (/ˈhɛpə/, high efficiency particulate air, or high efficiency particulate arresting) is an efficiency standard of air filters. A HEPA filter is an
HEPA
have increasingly considered data-centre reporting requirements, energy-efficiency standards, and broader transparency measures for AI-related resource use
Environmental_impact_of_AI
Fraction of optical power diffracted by an optical element
In optics, diffraction efficiency is the performance of diffractive optical elements – especially diffraction gratings – in terms of power throughput.
Diffraction_efficiency
Measure of thermal efficiency
The annual fuel utilization efficiency (AFUE; pronounced 'A'-'Few' or 'A'-'F'-'U'-'E') is a thermal efficiency measure of space-heating furnaces and boilers
Annual fuel utilization efficiency
Annual_fuel_utilization_efficiency
Property of photosensitive devices
The quantum efficiency (QE) of a photodetector is a measure of its electrical response to light. Another name for it is incident photon to converted electron
Quantum_efficiency
Ratio of the output to input power of a machine
In mechanical engineering, mechanical efficiency is a dimensionless ratio that measures the efficiency of a mechanism or machine in transforming the power
Mechanical_efficiency
Topic relating to sustainability science
Eco-efficiency refers to the delivery of goods and services to meet human needs and improve quality of life while progressively reducing their environmental
Eco-efficiency
Aircraft engine that produces thrust by emitting a jet of gas
high-bypass turbofan engines. They give higher speed and greater fuel efficiency than piston and propeller aeroengines over long distances. A few air-breathing
Jet_engine
Maximizing effect while minimizing waste
Resource efficiency is the maximising of the supply of money, materials, staff, and other assets that can be drawn on by a person or organization in order
Resource_efficiency
Video compression format, succeeds H.264/MPEG-4 AVC
High Efficiency Video Coding (HEVC), also known as H.265 and MPEG-H Part 2, is a patent-encumbered video compression standard designed as part of the MPEG-H
High_Efficiency_Video_Coding
Filtration Efficiency or BFE is a measurement of a respirator material's resistance to penetration of bacteria. Results are reported as percent efficiency and
Bacterial filtration efficiency
Bacterial_filtration_efficiency
Smart people like tough problems
The neural efficiency hypothesis proposes that while performing a cognitive task, individuals with higher intelligence levels exhibit lower brain activation
Neural_efficiency_hypothesis
Ability of a cell to take up DNA
Transformation efficiency refers to the ability of a cell to take up and incorporate exogenous DNA, such as plasmids, during a process called transformation
Transformation_efficiency
Concept in economics
In economics, dynamic efficiency is achieved when an economy invests less than the return to capital; conversely, dynamic inefficiency exists when an economy
Dynamic_efficiency
Measure of energy loss in storage systems
Roundtrip efficiency is a key performance metric for an energy storage system (ESS) that characterizes the energy lost during a full charge–discharge cycle
Roundtrip_efficiency
Used to assess the predictive power of hydrological models
The Nash–Sutcliffe model efficiency coefficient (NSE) is used to assess the predictive skill of hydrological models. It is defined as: NSE = 1 − ∑ t =
Nash–Sutcliffe model efficiency coefficient
Nash–Sutcliffe_model_efficiency_coefficient
Cooling output divided by electricity input, as a standard for HVAC systems
The seasonal energy efficiency ratio (SEER) is a meaurement used to rate the efficiency of air conditioners. The SEER rating of a device is the cooling
Seasonal energy efficiency ratio
Seasonal_energy_efficiency_ratio
Storage efficiency is the ability to store and manage data that consumes the least amount of space with little to no impact on performance; resulting in
Storage_efficiency
Topics referred to by the same term
an appliance energy efficiency rating used in Australia and New Zealand European Union energy label, an appliance energy efficiency rating used in Europe
Energy_rating
Methods for higher energy efficiency
Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many technologies
Efficient_energy_use
Measure of efficiency in aerospace engineering
and spacecraft design, overall propulsion system efficiency η {\displaystyle \eta } is the efficiency with which the energy contained in a vehicle's fuel
Propulsive_efficiency
Efficiency factor is a ratio of some measure of performance to an expected value. In data communications, the factor is the ratio of the time to transmit
Efficiency_factor
Engine in which fuel combusts with an oxidizer
have had two major problems—poor breathing (volumetric efficiency) and low thermal efficiency. However, new designs are being introduced that seek to
Internal_combustion_engine
Efficiency of incineration in terms of usable heat energy and minimization of emissions
Specifically, it may refer to: fuel efficiency engine efficiency depending on whether the level of efficiency is determined by the fuel itself or the
Combustion_efficiency
Mathematical model for real estate
An automated efficiency model (AEM) is a mathematical model that estimates a real estate property’s efficiency (in terms of energy, commuting, etc) by
Automated_efficiency_model
Airbreathing jet engine designed to provide thrust by driving a fan
increase in thermal efficiency is at the expense of a worse propulsive efficiency with the net effect being a lower overall efficiency. In other words, the
Turbofan
Topics referred to by the same term
Coding efficiency may refer to: Data compression efficiency Algorithmic efficiency Efficient coding hypothesis Efficiency (disambiguation) Coding (disambiguation)
Coding_efficiency
Performance indicator for hydrologic models
The Kling–Gupta efficiency (KGE) is a goodness-of-fit indicator widely used in the hydrologic sciences for comparing simulations to observations. It was
Kling–Gupta_efficiency
Principle in economics and time management
The efficiency–thoroughness trade-off principle (or ETTO principle) is the principle that there is a trade-off between efficiency or effectiveness on
Efficiency–thoroughness trade-off principle
Efficiency–thoroughness_trade-off_principle
US government bureau from 1916 to 1933
The United States Bureau of Efficiency was a bureau under the United States federal government from 1916 to 1933. The Woodrow Wilson administration established
United States Bureau of Efficiency
United_States_Bureau_of_Efficiency
Ratio between the useful output and the input of a machine
Energy conversion efficiency (η) is the ratio between the useful output of an energy conversion machine and the input, in energy terms. The input, as well
Energy_conversion_efficiency
An efficiency dividend is an annual reduction in resources available to an organization. It is usually applied as a percentage of operational (running)
Efficiency_dividend
Methodology used to improve production
manufacturing focuses on efficiency of inventory strategy to eliminate waste and enhance productivity, Lean manufacturing uses efficiency in its system setups
Lean_manufacturing
Economic Theory
Static efficiency belongs within neoclassical economics, which argues that explicit theoretical rationale of liberalisation is to achieve an efficient
Static_efficiency
Efficiency New Brunswick (more formally the Energy Efficiency and Conservation Agency of New Brunswick) was a crown corporation in the Canadian province
Efficiency_New_Brunswick
The actions of the Department of Government Efficiency (DOGE) have attracted reactions from officials, scholars, and citizens. While a majority supports
Response to the Department of Government Efficiency
Response_to_the_Department_of_Government_Efficiency
Electric convertible sports car (2008–2012)
on the model. It has a top speed of 125 mph (201 km/h). The Roadster's efficiency, as of September 2008[update], was reported as 120 miles per gallon gasoline
Tesla Roadster (first generation)
Tesla_Roadster_(first_generation)
Topics referred to by the same term
Efficiency expert may refer to: Scientific management Ergonomics expert Business efficiency expert The Efficiency Expert (novel), a 1921 novel by Edgar
Efficiency_expert
science, the efficiency of a network is a measure of how efficiently it exchanges information and it is also called communication efficiency. The underlying
Efficiency_(network_science)
Measurement scale for the effectiveness of air filters
Minimum Efficiency Reporting Value, commonly known as MERV, is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and
Minimum efficiency reporting value
Minimum_efficiency_reporting_value
System spectral efficiency of communication system
CDMA spectral efficiency refers to the system spectral efficiency in bit/s/Hz/site or Erlang/MHz/site that can be achieved in a certain CDMA based wireless
CDMA_spectral_efficiency
Useful power output per electrical power consumed
The efficiency of a system in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed (a
Electrical_efficiency
Performance metric for voting methods
Social utility efficiency (SUE) or voter satisfaction efficiency (VSE) is a metric for comparing voting methods which compares them based on the average
Social_utility_efficiency
Maximum theoretical efficiency of a solar cell
physics, the radiative efficiency limit (also known as the detailed balance limit, Shockley–Queisser limit, Shockley–Queisser efficiency limit or SQ limit)
Shockley–Queisser_limit
In cell biology, translational efficiency or translation efficiency is the rate of mRNA translation into proteins within cells. It has been measured in
Translational_efficiency
Telecommunications performance metric
In antenna theory, radiation efficiency is a measure of how well a radio antenna converts the radio-frequency power accepted at its terminals into radiated
Radiation_efficiency
Correlation factor comparing drag coefficient with an ideal wing
The Oswald efficiency, similar to the span efficiency, is a correction factor that represents the change in drag with lift of a three-dimensional wing
Oswald_efficiency_number
In industrial engineering and lean manufacturing, machine operator efficiency (MOE) is a metric used to evaluate the performance of personnel responsible
Machine_operator_efficiency
Cell reproduction parameter
Plating efficiency ("PE") is a measure of the number of colonies originating from single cells. It is a very sensitive test and is often used for determining
Plating_efficiency
Description of the average spectral sensitivity of human visual perception of brightness
A luminous efficiency function or luminosity function represents the average spectral sensitivity of human visual perception of light. It is based on subjective
Luminous_efficiency_function
Measure of the fairness of electoral districts
The efficiency gap is a measure to determine the fairness of electoral districts for first-past-the-post voting with a two-party system. It measures which
Efficiency_gap
Performance metric for voting methods
Condorcet efficiency is a measurement of the performance of voting methods. It is defined as the percentage of elections for which the Condorcet winner
Condorcet_efficiency
American energy efficiency program
Efficiency Vermont is an energy efficiency utility that promotes and facilitates energy efficiency across the state of Vermont. Created in 1999 and implemented
Efficiency_Vermont
United States government units targeted by the Department of Government Efficiency
During the second Trump administration, the Department of Government Efficiency (DOGE) took control of the federal government information systems in order
US federal agencies targeted by DOGE
US_federal_agencies_targeted_by_DOGE
Basketball statistic
Defensive rating or defensive efficiency is a statistic used in basketball to measure an individual player's or team's efficiency at preventing the other team
Defensive_rating
Idealized thermodynamic cycle
upper limit on the efficiency of any classical thermodynamic engine during the conversion of heat into work, or conversely, the efficiency of a refrigeration
Carnot_cycle
manufacturers on efficiency classification, with three efficiency classes: Eff 1 for High Efficiency Eff 2 for Standard Efficiency Eff 3 for Low Efficiency The term
Premium_efficiency
British energy investment company
SDCL Efficiency Income Trust (LSE: SEIT) is a large British investment company dedicated to investments in energy efficiency projects. It is listed on
SDCL_Efficiency_Income_Trust
Measure of the performance of passers in gridiron football
Passer rating (also known as passing efficiency in college football) is a measure of the performance of passers, primarily quarterbacks, in gridiron football
Passer_rating
Commission on Government Efficiency (COGE) is a New York City government commission created by Mayor Zohran Mamdani in May 2026 to modernize government
NYC Commission on Government Efficiency
NYC_Commission_on_Government_Efficiency
Topics referred to by the same term
Ministry of Efficiency or Department of Efficiency may refer to: Department of Government Efficiency, an initiative of the United States federal government
Ministry_of_Efficiency
Department of Government Efficiency consists of affiliates and allies associated with the Department of Government Efficiency (DOGE) in the second presidency
Network of the Department of Government Efficiency
Network_of_the_Department_of_Government_Efficiency
When one must decrease production of one good to increase another in an economy
In microeconomic theory, productive efficiency (or production efficiency) is a situation in which the economy or an economic system (e.g., bank, hospital
Productive_efficiency
Practice of reducing material used to make a product
In manufacturing and construction, material efficiency refers to the practice of decreasing the amount of a particular material needed to produce a specific
Material_efficiency
Ratio of animal feed to desired product
ratio (FCR) or feed conversion rate is a ratio or rate measuring of the efficiency with which the bodies of livestock convert animal feed into the desired
Feed_conversion_ratio
Measurement of sleep duration
Sleep efficiency (SE) is the ratio between the time a person spends asleep, and the total time dedicated to sleep (i.e. both sleeping and attempting to
Sleep_efficiency
Measure of parallel computing efficacy
Cost efficiency (or cost optimality), in the context of parallel computer algorithms, refers to a measure of how effectively parallel computing can be
Cost_efficiency
Data center infrastructure efficiency (DCIE), is a performance improvement metric used to calculate the energy efficiency of a data center. DCIE is the
Data center infrastructure efficiency
Data_center_infrastructure_efficiency
Raster graphics file format
High Efficiency Image File Format (HEIF) is a digital container format for storing individual digital images and image sequences. The standard covers multimedia
High Efficiency Image File Format
High_Efficiency_Image_File_Format
EFFICIENCY
EFFICIENCY
Girl/Female
Tamil
Dakshhtha | தகà¯à®·à®¾à®¹à®¤à®¾
Efficiency, Care
Dakshhtha | தகà¯à®·à®¾à®¹à®¤à®¾
Girl/Female
Indian
Efficiency, Care
EFFICIENCY
EFFICIENCY
Boy/Male
English
From a friend's field.
Boy/Male
American, British, English
From the Clay Brook; Born of Clay; Earth
Boy/Male
Indian, Sikh
Willing to Attract
Boy/Male
Hindu, Indian
Brightness
Boy/Male
Gujarati, Hindu, Indian, Kannada
A Hindu Sage
Biblical
God the zealous; the zeal of God
Boy/Male
Arabic
Intelligent; Sharp
Girl/Female
Arabic
Spiritual Light of God
Girl/Female
Hindu, Indian, Marathi, Sanskrit
Rice
Girl/Female
Latin
Beautiful Christian.
EFFICIENCY
EFFICIENCY
EFFICIENCY
EFFICIENCY
EFFICIENCY
n.
Power to produce results; efficiency; force; importance; account; as, to speak with effect.
a.
Possessed of, or characterized by, expedition, or efficiency and rapidity in action; performed with, or acting with, expedition; quick; having celerity; speedily; as, an expeditious march or messenger.
n.
Alt. of Efficiency
superl.
Wanting force, vigor, or efficiency in action or expression; not full, loud, bright, strong, rapid, etc.; faint; as, a feeble color; feeble motion.
n.
A remedy which has an action similar to that of another remedy, and hence increases the efficiency of that remedy when combined with it.
n.
A quantity or coefficient, or constant, which expresses the measure of some specified force, property, or quality, as of elasticity, strength, efficiency, etc.; a parameter.
n.
The ratio of useful work to energy expended.
n.
The efficiency of an engine, especially a steam pumping engine, as measured by work done by a certain quantity of fuel; usually, the number of pounds of water lifted one foot by one bushel of coal (94 lbs. old standard), or by 1 cwt. (112 lbs., England, or 100 lbs., United States).
n.
The quality of being efficient or producing an effect or effects; efficient power; effectual agency.
v. t.
To furnish with strength for action; to prepare for efficiency; to fortify.
v. t.
To hinder from acting or moving; to prevent the effect or efficiency of; to cause to cease; to repress; to restrain; to suppress; to interrupt; to suspend; as, to stop the execution of a decree, the progress of vice, the approaches of old age or infirmity.
v. i.
To have efficiency as an epispastic; to act as a sinapism; -- said of a blister, poultice, etc.
a.
Possessing force; characterized by force, efficiency, or energy; powerful; efficacious; impressive; influential.
n.
Joint efficiency; cooperation.
a.
Small in force or efficiency; not strong; weak; slight; inconsiderable; as, little attention or exertion;little effort; little care or diligence.
v. t.
to overthrow; to demolish; to destroy; to deprive of efficiency; to ruin; as, to prostrate a village; to prostrate a government; to prostrate law or justice.
v. t.
To corrupt or undermine in morals; to destroy or lessen the effect of moral principles on; to render corrupt or untrustworthy in morals, in discipline, in courage, spirit, etc.; to weaken in spirit or efficiency.
a.
Furnished with whatever serves to add strength, force, or efficiency.
v. t.
Power of action; agency; efficiency.