① 単位時間あたりに進む距離。速さ。② 速さとその方向を合わせたベクトル。
① 速度が大きい様子。② 俗に、高速道路の省略形。
great speed; extreme speed; swiftness
① 音の伝わる速さ。一般には、常温の空気中における音の速さを指し、およそ340m/s。
ultrahigh speed; ultrafast
news flash; prompt report; bulletin; quick announcement
high speed; rapidity; rapid-service train (not as fast as express); rapid train
quick firing; rapid firing
double speed (data transfer, video playback, etc.); 2X speed; -times speed; ...X speed
speed of a pitched ball; (pitcher's) pace
detonation velocity; velocity of detonation; VOD; extreme speed; explosive speed
quickness; agility; activity
quick pace; quick steps; quick march; trot (horse gait)
rash decision; jumping to a conclusion
① 速さを変えること。② 歯車の組み合わせを変える、車輛の変速装置、の略。
quick battle for a quick victory; blitzkrieg
vehicle speed; speed of car
governor (device); speed regulator