efficient

名词 n. 形容词 adj.
中文释义
英 /ɪˈfɪʃənt/    美 /ɪˈfɪʃənt/|/əˈfɪʃənt/

英文释义

名词 n.
  1. A cause; something that causes an effect. obsolete
    — Some are without efficient, as God; others without matter, as Angels […].
形容词 adj.
  1. Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.
    — An efficient process would automate all the routine work.
  2. Expressing the proportion of consumed energy that was successfully used in a process; the ratio of useful output to total input.
    — The motor is only 20% efficient at that temperature.
  3. Causing effects, producing results; bringing into being; initiating change (rare except in philosophical and legal expression efficient cause = causative factor or agent).
    — Ownership, maintenance, or use of the automobile need not be the direct and efficient cause of the injury sustained
  4. effective, efficacious proscribed
    — Ye wake no more to anguish;‥ ye have borne The Chosen, the Destroyer!‥ soon his hand Shall strike the efficient blow; Soon shaking off your penal forms, shall ye, With songs of joy, amid the Eden groves, Hymn the Deliverer’s praise!

词形变化

more efficient comparative most efficient superlative efficients plural

词汇关系

近义词
economical efficacious efficient potent
反义词
inefficient prodigal uneconomical
下位词
cost-effective energy-efficient energy-saving frugal fuel-efficient laboursaving businesslike well-oiled
衍生词
cost-efficient ecoefficient efficient cause efficient frontier efficiently efficient market hypothesis efficientness energy-efficient energy efficient equiefficient hyperefficient Kaldor-Hicks efficient nonefficient subefficient superefficient tax-efficient ultraefficient
相关词
effect effective effectiveness effectivity effector effectual effectuate efficacious efficacity efficacy efficiency subefficiency potency one fell swoop kill two birds with one stone skill skillful excellent

词源

词源 1
1398, “making,” from Old French, from Latin efficientem, nominative efficiēns, participle of efficere (“work out, accomplish”) (see effect). Meaning “productive, skilled” is from 1787. Efficiency apartment is first recorded 1930, American English.
词源 2
1398, “making,” from Old French, from Latin efficientem, nominative efficiēns, participle of efficere (“work out, accomplish”) (see effect). Meaning “productive, skilled” is from 1787. Efficiency apartment is first recorded 1930, American English.
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