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Từ điển Oxford Advanced Learner 8th
velocity
vel·ocity [velocity velocities] BrE [vəˈlɒsəti] NAmE [vəˈlɑːsəti] noun uncountable, countable (pl. vel·ocities)
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.
Word Origin:
late Middle English: from French vélocité or Latin velocitas, from velox, veloc- ‘swift’.
Example Bank:
•Light travels at a constant velocity.
•to move with a uniform velocity
•to gain/lose velocity
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