Velocity

Pronunciation

• RP IPA: /vəˈlÉ’sÉ™ti/
• GenAm IPA: /vəˈlÉ‘sÉ™ti/

Origin

From Latin vēlōcitās ("speed"), from vēlōx ("fast").

Full definition of velocity

Noun

1. (physics) A vector quantity that denotes the rate of change of position with respect to time, or a speed with the directional component.
2. Rapidity of motion.
3. The rate of occurrence.
4. (economics) The number of times that an average unit of currency is spent during a specific period of time.

Derived terms

• angular velocity
• phase velocity
• escape velocity