Meaning of VELOCITY in English

VELOCITY

/ vəˈlɒsəti; NAmE -ˈlɑːs-/ noun [ U , C ] ( pl. -ies )

1.

( technical ) the speed of sth in a particular direction :

the velocity of light

to gain / lose velocity

a high-velocity rifle

2.

( formal ) high speed :

Jaguars can move with an astonishing velocity.

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WORD ORIGIN

late Middle English : from French vélocité or Latin velocitas , from velox , veloc- swift.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.