動力(どうりょく)

どうりょく
noun
power; motive force; energy source
technical
1. power; motive force; driving force
The energy or force that drives machinery, vehicles, or equipment. Refers to the source of mechanical energy that makes something operate.
蒸気(じょうき)を動力(どうりょく)にする。
To use steam as the power source.
この船(ふね)は風力(ふうりょく)を動力(どうりょく)として利用(りよう)している。
This ship uses wind power as its driving force.
電気自動車(でんきじどうしゃ)は電池(でんち)を動力源(どうりょくげん)とし、ガソリンを使(つか)わない。
Electric vehicles use batteries as their power source and do not use gasoline.

Common collocations: 動力源(どうりょくげん) (power source), 動力(どうりょく)装置(そうち) (power unit/drive system), 動力(どうりょく)伝達(でんたつ) (power transmission), 原子力(げんしりょく)動力(どうりょく) (nuclear power). Often appears in discussions of engines, industrial machinery, and energy technology. Related: エンジン (engine — the mechanical device itself), 馬力(ばりき) (horsepower — a unit of power), 推進力(すいしんりょく) (propulsive force — emphasizes forward movement).

Related Words

Compare: モーター (motor)
Compare: 駆動(くどう) (drive)
general
Added 2026.3.23 12:39 · Revised 2026.9.2 13:01
18500/18784_douryoku