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Metric for rating the efficiency of a power amplifier
Power-added efficiency (PAE) is a metric for rating the efficiency of a power amplifier that takes into account the effect of the gain of the amplifier
Power-added_efficiency
Topics referred to by the same term
energy conversion process Electrical efficiency, useful power output per electrical power consumed Mechanical efficiency, a ratio of the measured performance
Energy_efficiency
Ratio to describe data-center efficiency
For more energy efficiency metrics on data centers, see Data center. Power usage effectiveness (PUE) or power unit efficiency is a ratio that describes
Power_usage_effectiveness
Assembly of heat engines that work in tandem from the same source of heat
generating power from multiple streams of work, the overall efficiency can be increased by about 50–60%. That is, from an overall efficiency of say 43%
Combined-cycle_power_plant
Electronic device/component that increases the strength of a signal
amplifier Programmable-gain amplifier Tuned amplifier Valve amplifier Power added efficiency Electronics portal HiFi-Wiki webpage with facsimile of data sheet
Amplifier
Power supply with switching regulator
switched-mode power supply's higher electrical efficiency is an important advantage. Switched-mode power supplies can also be substantially smaller and
Switched-mode_power_supply
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
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
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
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
Indian government agency
The Bureau of Energy Efficiency is an agency of the Government of India, under the Ministry of Power, created in March 2002 under the provisions of the
Bureau_of_Energy_Efficiency
Method to produce electricity from solar radiation
conversion efficiency from 3% to over 15% since their introduction in the 1980s. To date, the highest reported power conversion efficiency ranges 6.7–8
Photovoltaics
Type of power station
quickly, but due to its lower efficiency is at most only run for a few hours a day as a peaking power plant. CCGT power plants consist of simple cycle
Gas-fired_power_plant
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
Ratio between the useful output and the input of a machine
electric power, mechanical work, light (radiation), or heat. The resulting value, η (eta), ranges between 0 and 1. Energy conversion efficiency depends
Energy_conversion_efficiency
Voluntary computer power supply certification program
energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at 20%, 50% and 100%
80_Plus
Alternative to silicon-based photovoltaics
CH3NH3SnI3 have also been reported, though with lower power-conversion efficiencies. Solar cell efficiency is limited by the Shockley–Queisser limit. This calculated
Perovskite_solar_cell
Power plant that generates electricity from heat energy
world's thermal power stations are driven by steam turbines, gas turbines, or a combination of the two. The efficiency of a thermal power station is determined
Thermal_power_station
Numerical measures that characterize amplifier properties and performance
efficiency to a maximum of 50%. Drain efficiency is the ratio of output RF power to input DC power when primary input DC power has been fed to the drain of a
Amplifier_figures_of_merit
U.S. government efficiency initiative
The Department of Government Efficiency (DOGE) was a second Trump administration initiative in the United States. Despite its name, it was not a federal
Department of Government Efficiency
Department_of_Government_Efficiency
Assembly of photovoltaic cells used to generate electricity
maximum power voltage (VMPP), maximum power current (IMPP), peak power, (watt-peak, Wp), and module efficiency (%). Open-circuit voltage or VOC is the
Solar_panel
Theorem in electrical engineering
maximum efficiency of useful power out of total power consumed. If the load resistance is made larger than the source resistance, then efficiency increases
Maximum power transfer theorem
Maximum_power_transfer_theorem
Ratio of the output to input power of a machine
mechanical efficiency is a dimensionless ratio that measures the efficiency of a mechanism or machine in transforming the power input to the device to power output
Mechanical_efficiency
Device used to produce electricity from light
success of the space solar power market drove the development of higher efficiencies in solar cells, due to limited other power options and the desire for
Solar_cell
Topics referred to by the same term
accessing more than 4 gigabytes of RAM Power added efficiency, a percentage that rates the efficiency of a power amplifier Post Antibiotic Effect, the
PAE
Energy conversion in optics
efficiency or radiant efficiency is the energy conversion efficiency with which the system converts electrical power into radiant flux (radiant power)
Wall-plug_efficiency
Internal computer component that provides power to other components
power supplies have reached 94% efficiency. Standard PSUs sold for server workstations have around 90% efficiency, as of 2010. The energy efficiency of
Power_supply_unit_(computer)
Power system designed to supply usable electric power from solar energy
X, Mauzerall D, Bergin M (2020). "Global reduction of solar power generation efficiency due to aerosols and panel soiling". Nature Sustainability. 3
Photovoltaic_system
Vehicle propelled fully or mostly by electricity
very simple and often achieve 90% energy conversion efficiency over the full range of speeds and power output and can be precisely controlled. Motion is
Electric_vehicle
System that converts heat or thermal energy to mechanical work
the price of a vanishing power output. If instead one chooses to operate the engine at its maximum output power, the efficiency becomes η = 1 − T c T h
Heat_engine
Semiconductor technology
technique aims to improve power efficiency, performance, and design flexibility in integrated circuits (ICs). Traditionally, power and signal interconnects
Backside_power_delivery
Machine that converts the energy of flowing or falling water into useful forms of power
investigation of the water wheel led to significant increases in efficiency, supplying much-needed power for the Industrial Revolution. Water wheels began being
Water_wheel
Energy recovery mechanism
convert over 77% of the electrical energy from the grid to power at the wheels. The efficiency of an electric vehicle, taking into account losses due to
Regenerative_braking
Engine that uses steam to perform mechanical work
piston type steam engines were the dominant source of power until the early 20th century. The efficiency of stationary steam engines increased dramatically
Steam_engine
Electrical transmission without physical connection
amounts of power reach the receiver. In contrast, with wireless power transfer the amount of energy received is the important thing, so the efficiency (fraction
Wireless_power_transfer
Concept of collecting solar power in outer space and distributing it to Earth
a JPL Raytheon program that beamed 30 kW of power over a distance of 1 mile (1.6 km) at 9.6% efficiency. The beam does spread out due to diffraction
Space-based_solar_power
Indian energy organisation
Energy Efficiency Services Limited is a joint venture of state-run power companies, responsible for implementation of the Unnat Jyoti by Affordable LEDs
Energy Efficiency Services Limited
Energy_Efficiency_Services_Limited
Vehicle using two or more power sources
powertrains are designed to switch from one power source to another to maximize both fuel efficiency and energy efficiency. In hybrid electric vehicles, for instance
Hybrid_vehicle
Form of consumption tax
A value-added tax (VAT), goods and services tax (GST), or general consumption tax (GCT) is a consumption tax that is levied on the value added at each
Value-added_tax
Thermodynamic cycle
and had a reasonable efficiency. Brayton-cycle engines were some of the first internal combustion engines used for motive power. In 1875, John Holland
Brayton_cycle
Type of engine
theoretically possible thrust per unit power is 2 divided by the specific impulse in m/s. The thrust efficiency is the actual thrust as percentage of this
Reaction_engine
Type of second-generation solar cell
achieved reported power conversion efficiencies of approximately 12.6%, while antimony-based solar cells have reached efficiencies of up to 9.9%. Dye-sensitized
Thin-film_solar_cell
Type of external power supply
circuitry was added. Losses in the transformer and the linear regulator were considerable; efficiency was relatively low, and significant power dissipated
AC_adapter
Engine in which fuel combusts with an oxidizer
Combined cycle power plants use the high temperature exhaust to boil and superheat water steam to run a steam turbine. Thus, the efficiency is higher because
Internal_combustion_engine
Type of rechargeable battery
charge and discharge efficiency of the electrode material. as a decomposition product, various SEI-forming additives can be added to the electrolyte to
Lithium-ion_battery
Type of solar power cell
calculated by multiplying efficiency (12.6%) by 1000 to get output watts per square meter (126 W/m2), and then multiplying power by the stated cost of $0
Cadmium telluride photovoltaics
Cadmium_telluride_photovoltaics
Use of mirrors or lenses to heat a fluid for electricity generation
intermittency and power factor mismatch. The efficiency of a concentrating solar power system depends on the technology used to convert the solar power to electrical
Concentrated_solar_power
Property of an algorithm
algorithmic efficiency is a property of an algorithm which relates to the amount of computational resources used by the algorithm. Algorithmic efficiency can
Algorithmic_efficiency
Airbreathing jet engine designed to provide thrust by driving a fan
the compressor stages Overall efficiency thermal efficiency × propulsive efficiency Propulsive efficiency propulsive power/rate of production of propulsive
Turbofan
Classification of power amplifier
efficiency of 25% is obtainable using usual configurations, but 50% is the maximum for a transformer or inductively coupled configuration. In a power
Power_amplifier_classes
Facility that burns fossil fuels to produce electricity
thermal power station conversion methods have their efficiency limited by the Carnot efficiency and therefore produce waste heat. Fossil fuel power stations
Fossil_fuel_power_station
Device that converts heat flux into electrical energy
increase fuel efficiency. Radioisotope thermoelectric generators use radioisotopes to generate the required temperature difference to power space probes
Thermoelectric_generator
Process to convert electric power into hydrogen or methane
the round-trip efficiency of power-to-gas-storage was well below 50%, with the hydrogen path being able to reach a maximum efficiency of ~ 43% and methane
Power-to-gas
Converts output of a photovoltaic panel into a utility frequency alternating current
Canadian Solar, LG, NESL, SunPower, Sharp Solar, Suntech, Siemens, Trina Solar and Qcells. As of 2019, conversion efficiency for state-of-the-art solar
Solar_inverter
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
Type of thin-film photovoltaic cell
higher efficiency devices, but forming the multilayer is a more complicated deposition process and did not merit the extra equipment or the added process
Copper indium gallium selenide solar cell
Copper_indium_gallium_selenide_solar_cell
Thermodynamic cycle for spark ignition piston engines
increases the engine's efficiency and power. The application of a supercharger driven by the crankshaft does increase the power output (power density) but does
Otto_cycle
Reserved for high demand times
42% being average for a new plant. For greater efficiency, a heat recovery steam generator (HRSG) is added at the exhaust. This is known as a combined cycle
Peaking_power_plant
Electrical device that uses batteries to prevent any interruption of power flow
off-line/standby UPS when power conditions are within a certain preset window. This allows the UPS to achieve very high efficiency ratings. When the power conditions
Uninterruptible_power_supply
Motherboard and power supply configuration
Computer power supplies vary from around 70% to over 90% efficiency. Various initiatives exist to improve the efficiency of computer power supplies.
ATX
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
Conversion of energy from sunlight into electricity
array's theoretical maximum DC power output. In other countries, the manufacturer states the surface and the efficiency. However, Canada, Japan, Spain
Solar_power
conversion efficiencies above 90 percent in many cases. Designers focus on power density (output per kilogram), torque per unit volume, efficiency across
Electric_vehicle_motors
Ratio of useful heating or cooling provided to work required
to the work (energy) required. Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs. While the coefficient
Coefficient_of_performance
Measure of the force amplification achieved by using a tool
can lose as much as 5% of the power through the system in friction heat, deformation and wear, in which case the efficiency of the drive is 95%. Consider
Mechanical_advantage
Direct conversion process from heat to electricity via photons
and was approximately 0.5 m tall. The power source had an efficiency of 2.5%, calculated as the ratio of the power generated to the thermal energy of the
Thermophotovoltaic energy conversion
Thermophotovoltaic_energy_conversion
Magnetohydrodynamic converter that transforms thermal and kinetic energy into electricity
thermodynamic efficiency of any electrical generation method. MHD has been developed for use in combined cycle power plants to increase the efficiency of electric
Magnetohydrodynamic_generator
Reciprocating internal combustion engine
resulted in increased engine efficiency that reduced fuel consumption by 10%. The adoption of VVTi, a higher efficiency single turbocharger as well as
Toyota_JZ_engine
DC-DC voltage step-down power converter
a class of switched-mode power supply. Switching converters (such as buck converters) provide much greater power efficiency as DC-to-DC converters than
Buck_converter
Nuclear power station under construction in England
five ways that the UK could be powered at lower cost to the consumers than by Hinkley Point C: improved energy efficiency could reduce consumption by more
Hinkley Point C nuclear power station
Hinkley_Point_C_nuclear_power_station
Nameplate capacity of a photovoltaic devices
Nominal power (or peak power) is the nameplate capacity of photovoltaic (PV) devices, such as solar cells, modules and systems. It is determined by measuring
Nominal_power_(photovoltaic)
Simultaneous generation of electricity and useful heat
geothermal power plants as they often produce relatively low grade heat, sometimes binary cycles may be necessary to reach an acceptable thermal efficiency for
Cogeneration
Machine that converts electrical energy into mechanical energy
use, and improving power transmission efficiency. Electric motors applied in agriculture eliminated human and animal muscle power from tasks such as handling
Electric_motor
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
Turbojet engine component
turbofan combat engine, the bypass air is added into the exhaust, thereby increasing the core and afterburner efficiency. In turbojets the gain is limited to
Afterburner
Large-scale photovoltaic system
array's theoretical maximum DC power output. In other countries, the manufacturer states the surface and the efficiency. However, Canada, Japan, Spain
Photovoltaic_power_station
Ratio of active power to apparent power
commercial customers with a low power factor. Power-factor correction (PFC) increases the power factor of a load, improving efficiency for the distribution system
Power_factor
Electric convertible sports car (2008–2012)
generated by newer, 58% efficiency CCGT power plants, results in a conversion factor of 21,763 Wh⁄gal and yields a fuel efficiency of 77.7 mpgge. Recharging
Tesla Roadster (first generation)
Tesla_Roadster_(first_generation)
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
Facility generating electric power
important class of power stations in the Middle East uses by-product heat for the desalination of water. The efficiency of a thermal power cycle is limited
Power_station
Device that changes direct current (DC) to alternating current (AC)
content and efficiency can be closely controlled. The AC output frequency of a power inverter device is usually the same as standard power line frequency
Power_inverter
Communication connector using the USB protocol
specification added a second full-duplex lane. USB has always included some capability of providing power to peripheral devices, but the amount of power that can
USB_hardware
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
Reducing energy consumption
and efficiency in buildings, industry, and electric power, such as integrated resource planning for electric and natural gas utilities and efficiency and
Energy_conservation
Airbreathing jet engine which is typically used in aircraft
independently into practical engines during the late 1930s. Turbojets have poor efficiency at low vehicle speeds, which limits their usefulness in vehicles other
Turbojet
Aircraft engine that produces thrust by emitting a jet of gas
is added to with extra losses due to inefficiencies in the added turbine and fan. These may be included in a transmission, or transfer, efficiency η T
Jet_engine
Third generation of Mercedes-Benz C-Class
CGI BlueEFFICIENCY, C 200 CGI BlueEFFICIENCY and the C 220 CDI BlueEFFICIENCY. Direct petrol injection were added for C 180 CGI BlueEFFICIENCY and the
Mercedes-Benz_C-Class_(W204)
Type of continuous-flow turbine engine
stage count, material limits, and component efficiency. These factors affect the maximum power and efficiency that can be obtained by the engine. For the
Gas-turbine_engine
Distance traveled by a vehicle compared to volume of fuel consumed
The fuel economy or fuel efficiency of an automobile relates to the distance traveled by a vehicle and the amount of fuel consumed. It can be expressed
Fuel_economy_in_automobiles
Measure of engine efficiency
Volumetric efficiency (VE) in internal combustion engine engineering is defined as the ratio of the equivalent volume of the fresh air drawn into the cylinder
Volumetric_efficiency
Solar-cell architecture
with power conversion efficiencies of 32.8% and 35.9% for 2- and 3-junction non-monolithic stacks respectively. In November 2023, the efficiency record
Heterojunction_solar_cell
Part of the history of energy and technology
enhances its performance up to a power conversion efficiency of 26%. This could be a low cost way to increase efficiency of solar cells. 13 July – The first
Timeline_of_solar_cells
Power station whose electric generator is steam-driven
combined cycle plant that improves overall efficiency. Worldwide, most electric power is produced by steam–electric power plants. The only widely used alternatives
Steam–electric_power_station
Method for matching variable production with demand
generate power. The theoretical efficiency of adiabatic storage approaches 100% with perfect insulation, but in practice, round trip efficiency is expected
Compressed-air_energy_storage
Aircraft propulsion component
Dayton added a new twist to airplane propulsion." Mechanical Engineering: 100 years of Flight, 3 July 2007. Rogers, David F. "Propeller Efficiency Archived
Propeller_(aeronautics)
Type of geothermal power station
steam to make flash power plants economically viable. However, due to the lower temperatures binary cycles have low overall efficiencies of about 10–13%.
Binary_cycle
Reciprocating internal combustion engine
compression capabilities which resulted in significantly less power and combustion efficiency potential. The intake system, while also compact, its complexity
Honda V6 hybrid Formula One power unit
Honda_V6_hybrid_Formula_One_power_unit
Type of photovoltaic
give off their excess energy, resulting in lower voltages and power conversion efficiencies. When these materials absorb a photon, an excited state is created
Organic_solar_cell
Electricity generated by hydropower
\Delta h)} where P {\displaystyle P} is power (in watts) η {\displaystyle \eta } (eta) is the coefficient of efficiency (a unitless, scalar coefficient, ranging
Hydroelectricity
instruction set architecture. It has 8 CPU cores (4 performance and 4 efficiency), up to 8 GPU cores, and a 16-core Neural Engine, as well as LPDDR4X memory
List of Mac models grouped by CPU type
List_of_Mac_models_grouped_by_CPU_type
POWER ADDED-EFFICIENCY
POWER ADDED-EFFICIENCY
Surname or Lastname
English
English : occupational name for a baker, doghere, from an agent derivative of Middle English dogh ‘dough’.Probably an Americanized spelling of German Dauer.
Surname or Lastname
English
English : topographic name for someone who lived near a tower, usually a defensive fortification or watchtower, from Middle English, Old French tūr (Latin turris).English : occupational name for someone who dressed white leather, cured with alum rather than tanned with bark, from an agent derivative of Middle English taw(en) (Old English tawian ‘to prepare, make ready’).English : Americanized spelling of German Tauer.
Surname or Lastname
English
English : variant of Power.
Surname or Lastname
German
German : habitational name for someone from Posa or Poserna, south of Merseburg, or a variant of Pose (see Posey).English : variant of Peiser.
Boy/Male
Muslim
Aided by God, Victorious
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : regional name for someone from the district north of Paris known in Old French as Gohiere.English (of Norman origin) : habitational name from any of the various places in northern France called Gouy (from the Gallo-Roman personal name Gaudius + the locative suffix -acum), with the addition of the Anglo-Norman French suffix -er.English : from a Norman personal name, Go(h)ier, cognate with the Old English name mentioned at Gooder.Welsh : from the peninsula in southern Wales, of which the Welsh name is Gŵyr.Probably an Americanized spelling of German Gauer.
Girl/Female
German
Noble; Kind
Boy/Male
Muslim/Islamic
Divinely aided victorious
Surname or Lastname
English
English : nickname for a vain or proud man, from Middle English po ‘peacock’. Compare Peacock.Welsh : variant of Pugh.
Boy/Male
Australian, French, German, Swedish
Noble Kind
Boy/Male
British, English
Surname Related to Paul; Small
Boy/Male
Muslim
Aided (by God). Victorious.
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : occupational name denoting a servant who carried the ewer to guests at table so that they could wash their hands, Anglo-Norman French and Middle English ewerer (related to ewere ‘jug’), with the French definite article l’.Cornish : variant of Flower 4.
Surname or Lastname
Irish (Leinster and Munster) and English (of Norman origin)
Irish (Leinster and Munster) and English (of Norman origin) : habitational name for someone from Pois, a place in Picardy (said to have been named with Old French pois ‘fish’ because of its well-stocked river), from Old French Pohier ‘native of Pois’.English : nickname for a poor man, or ironically for a miser, from Middle English, Old French povre, poure ‘poor’ (Latin pauper). Woulfe gives this also as the meaning of the Norman Irish name, which in early records is found as le Poer, believing it to be a nickname for someone who has taken a vow of poverty.
Boy/Male
Welsh Shakespearean
Pure.
Boy/Male
African, German, Nigerian
Crown is Added to My Wealth
Surname or Lastname
English (East Anglia, chiefly Norfolk)
English (East Anglia, chiefly Norfolk) : occupational name for someone who mowed pasture lands to provide hay, from an agent derivative of Middle English mow(en) ‘mow’ (Old English mÄwen).Welsh : nickname from mawr ‘big’ (see Moore 6).German (Möwer) : nickname from an agent derivative of Middle High German mÅven ‘to torment, trouble, or burden’.
Surname or Lastname
English
English : variant of Powell.North German : from a form of the personal name Paul.
Surname or Lastname
Scottish
Scottish : occupational name for a bow maker, Older Scots bowar, equivalent to English Bowyer.English and Scottish : from Middle English bur, bour ‘bower’, ‘cottage’, ‘inner room’ (Old English būr), hence a topographic name for someone who lived in a small cottage, an occupational name for a house servant who attended his master in his private quarters (see Bowerman), or a habitational name from any of various places, for example in Essex, named Bower or Bowers from this word.
Boy/Male
Indian
Aided by God, Victorious
POWER ADDED-EFFICIENCY
POWER ADDED-EFFICIENCY
Girl/Female
Indian
Just, Fair woman
Girl/Female
Tamil
Rethushana | ரேதà¯à®·à®¾à®¨à®¾   Â
Goddess Laxmi
Boy/Male
Tamil
Talaketu | தலாகேதà¯
Bhishma pitamaha
Male
Egyptian
, a surname of Amenhotep III.
Girl/Female
Arabic, Australian, French, Muslim
Gift
Girl/Female
American, British, English, Greek
Follower of Christ; Christian
Girl/Female
Spanish
Will; wilful.
Female
German
Variant spelling of German Hiltraud, HILTRUD means "battle strength."
Female
German
German pet form of Latin Maria, MAREIKE means "obstinacy, rebelliousness" or "their rebellion."
Girl/Female
Finnish, French, Greek, Hindu, Indian, Latin, Swedish, Tamil
Angelic; Messenger from God
POWER ADDED-EFFICIENCY
POWER ADDED-EFFICIENCY
POWER ADDED-EFFICIENCY
POWER ADDED-EFFICIENCY
POWER ADDED-EFFICIENCY
n.
Hence, vested authority to act in a given case; as, the business was referred to a committee with power.
n.
Same as Sea Adder.
n.
Applied force; force producing motion or pressure; as, the power applied at one and of a lever to lift a weight at the other end.
n.
Ability to act, regarded as latent or inherent; the faculty of doing or performing something; capacity for action or performance; capability of producing an effect, whether physical or moral: potency; might; as, a man of great power; the power of capillary attraction; money gives power.
v. t.
To sprinkle with powder, or as with powder; to be sprinkle; as, to powder the hair.
n.
In America, the term is commonly applied to several harmless snakes, as the milk adder, puffing adder, etc.
n.
Mental or moral ability to act; one of the faculties which are possessed by the mind or soul; as, the power of thinking, reasoning, judging, willing, fearing, hoping, etc.
n.
The rate at which mechanical energy is exerted or mechanical work performed, as by an engine or other machine, or an animal, working continuously; as, an engine of twenty horse power.
a.
To reduce the degree, intensity, strength, etc., of; as, to lower the temperature of anything; to lower one's vitality; to lower distilled liquors.
n.
A machine acted upon by an animal, and serving as a motor to drive other machinery; as, a dog power.
a.
To let descend by its own weight, as something suspended; to let down; as, to lower a bucket into a well; to lower a sail or a boat; sometimes, to pull down; as, to lower a flag.
a.
To reduce the height of; as, to lower a fence or wall; to lower a chimney or turret.
n.
A large quantity; a great number; as, a power o/ good things.
n.
Ability, regarded as put forth or exerted; strength, force, or energy in action; as, the power of steam in moving an engine; the power of truth, or of argument, in producing conviction; the power of enthusiasm.
n.
Capacity of undergoing or suffering; fitness to be acted upon; susceptibility; -- called also passive power; as, great power of endurance.
n.
The product arising from the multiplication of a number into itself; as, a square is the second power, and a cube is third power, of a number.
n.
A mechanical agent; that from which useful mechanical energy is derived; as, water power; steam power; hand power, etc.
v. i.
To be reduced to powder; to become like powder; as, some salts powder easily.