Added 9 October 2026
velocity
/vəˈlɒsəti/ noun
In Latin: vēlōcitās Wiktionary
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about velocity at Wordnik → Where our words come from →
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A vector quantity that denotes the rate of change of position with respect to time, combining speed with a directional component.
A car racing in a circle may retain the same speed while continually changing its velocity.
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A rapidity of motion.
The train was travelling at a slower velocity than usual.
- The rate of occurrence.
Origin
From Middle French vélocité, from Latin vēlōcitās (“speed”), from vēlōx (“fast”), thus a doublet of veloce.
From Wiktionary, via Kaikki.org (CC BY-SA)