ve ‧ lo ‧ ci ‧ ty /vəˈlɒsəti, vɪˈlɒsəti $ -ˈlɑː-/ BrE AmE noun ( plural velocities )
[ Date: 1500-1600 ; Language: French ; Origin: vélocité , from Latin velocitas , from velox 'fast' ]
1 . [uncountable and countable] technical the speed of something that is moving in a particular direction:
the velocity of light
The speedboat reached a velocity of 120 mph.
a high velocity bullet
2 . [uncountable] a high speed:
Martinez had good velocity on his fastball.