transcription, транскрипция: [ i-ˈfi-shənt ]
adjective
Etymology: Middle English, from Middle French or Latin; Middle French, from Latin efficient-, efficiens, from present participle of efficere
Date: 14th century
1. : being or involving the immediate agent in producing an effect
the efficient action of heat in changing water to steam
2. : productive of desired effects ; especially : productive without waste
an efficient worker
Synonyms: see effective
• ef·fi·cient·ly adverb