Definition of velocity

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velodrome >

ve·loc·i·ty    (v-ls-t) KEY  

NOUN:
pl. ve·loc·i·ties

1. Rapidity or speed of motion; swiftness.
2. Physics A vector quantity whose magnitude is a body's speed and whose direction is the body's direction of motion.
3. 1. The rate of speed of action or occurrence.
   2. The rate at which money changes hands in an economy.

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ETYMOLOGY:
Middle English velocite, from Old French, from Latin vlcits, from vlx , vlc-, fast; see weg- in Indo-European roots

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