efficiency control definition, efficiency control meaning | English dictionary




      n   pl   , -cies  
1    the quality or state of being efficient; competence; effectiveness  
2    the ratio of the useful work done by a machine, engine, device, etc., to the energy supplied to it, often expressed as a percentage  
   See also       thermal efficiency  

current efficiency  
      n     (Physics)   the ratio of the actual mass of a substance liberated from an electrolyte by the passage of current to the theoretical mass liberated according to Faraday's law  
efficiency apartment  
      n     (U.S)   a small flat or bedsit  
electrode efficiency  
      n     (Chem)   the ratio of the amount of metal deposited in an electrolytic cell to that theoretically deposited according to Faraday's laws  
luminous efficiency  
      n   the efficiency of polychromatic radiation in producing a visual sensation. It is the radiant flux weighed according to the spectral luminous efficiencies of its constituent wavelengths divided by the corresponding radiant flux.,   (Symbol)    V  
quantum efficiency  
1      (Physics)   the number of electrons released by a photocell per photon of incident radiation of a given energy  
2      (Chem)   the number of chemical species that undergo reaction per photon of absorbed radiation of a given energy  
radiant efficiency  
      n   the ratio of the power emitted by a source of radiation to the power consumed by it.,   (Symbol)    <Geta>e  
spectral luminous efficiency  
      n   a measure of the efficiency of radiation of a given wavelength in producing a visual sensation. It is equal to the ratio of the radiant flux at a standard wavelength to that at the given wavelength when the standard wavelength is chosen so that the maximum value of this ratio is unity.,   (Symbol)    V(<Glambda>)   for photopic vision  
V(<Glambda>)   for scotopic vision  
thermal efficiency  
      n   the ratio of the work done by a heat engine to the energy supplied to it  
   Compare       efficiency  
volumetric efficiency  
1    the ratio of fluid delivered by a piston or ram pump per stroke to the displacement volume of the piston or ram  
2    the ratio of air or gas-air mixture drawn into the cylinder of an internal-combustion engine to the volumetric displacement of the piston  
English Collins Dictionary - English Definition & Thesaurus  
Collaborative Dictionary     English Definition
Distributed control system
dispatcher in EMS Control Center
1 Writen Rule Legislation 2 Stabilization control
Care!!! Double meaning giving mistraductions
go crazy; get angry; lose self-control
E.g.: I will lose it if we keep listening to this song.
[subj: poiicemen] to herd [demonstrators] into a compact group in order to control their movements
it's said for determining someone to calm down, be patient, control his/her reactions
1 Control by Legislation Legislate 2 Maintain steady state Stabilize
Care !!! Double meaning giving mistraductions
Actual hold (complete or partial control) of digital assets with or without lawful title
[Tech.];[Leg.] hold of digital assets in cyberspace


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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"