velocity
Americannoun
plural
velocities-
rapidity of motion or operation; swiftness; speed.
a high wind velocity.
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Mechanics. the time rate of change of position of a body in a specified direction.
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the rate of speed with which something happens; rapidity of action or reaction.
noun
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speed of motion, action, or operation; rapidity; swiftness
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u. v. w. physics a measure of the rate of motion of a body expressed as the rate of change of its position in a particular direction with time. It is measured in metres per second, miles per hour, etc
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physics (not in technical usage) another word for speed
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The speed and direction of motion of a moving body. Velocity is a vector quantity.
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Compare acceleration speed
Related Words
See speed.
Etymology
Origin of velocity
First recorded in 1540–50, velocity is from the Latin word vēlōcitās speed. See velocipede, -ty 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A University of Chicago professor called it “escape velocity.”
From MarketWatch
To create their 3D temperature model, the researchers analyzed a wide range of geophysical data, including seismic velocities, gravity anomalies, and heat flow.
From Science Daily
Both rotation velocity and luminosity are effective parameters to estimate the amount of gas accreted.
From Science Daily
By pairing in-situ sound velocity measurements with advanced molecular dynamics simulations, the team detected a dramatic loss of shear wave speed and a sharp increase in Poisson's ratio.
From Science Daily
“The combination of lower rates, artificial intelligence, more productivity and additional fiscal support from government spending on infrastructure, could help the markets achieve escape velocity in 2026.”
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
