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.
These variations can imitate the subtle radial velocity signals astronomers look for, sometimes making it difficult to determine whether a planet is truly present.
From Science Daily
“To go as far as he did, then the jump throw with some velocity behind it, what a play,” Black said.
From Washington Times
In department after department, pistols and rifles with more ammunition and velocity replaced six-shooters and shotguns.
From Washington Post
After seeing his velocity dip a little in 2022, Ray changed his offseason workouts and throwing program and arrived at spring training with his fastball getting up to 97 mph.
From Seattle Times
Their velocity turns them unstable upon penetration, so that they tumble through flesh and vital organs.
From Washington Post
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.
