escape velocity

noun

: the minimum velocity that a moving body (such as a rocket) must have to escape from the gravitational field of a celestial body (such as the earth) and move outward into space

Examples of escape velocity in a Sentence

Recent Examples on the Web
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And now, momentum has finally reached escape velocity. Jordan P. Kelley, Forbes.com, 22 Jan. 2026 While fuel-efficient and technologically feasible, this type of engine cannot achieve escape velocity from the Solar System, but remains a promising method for interplanetary missions. Matthew S Williams, Interesting Engineering, 10 Jan. 2026 Paul Thomas Anderson’s movie doesn’t achieve escape velocity without Teyana Taylor. Joe Reid, Vulture, 1 Dec. 2025 Nature never evolved a way for living things to reach escape velocity — 8 to 11 kilometers per second — because that’s not something a biological organism can do on its own. Big Think, 12 Nov. 2025 See All Example Sentences for escape velocity

Word History

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of escape velocity was in 1934

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Cite this Entry

“Escape velocity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/escape%20velocity. Accessed 4 Feb. 2026.

Kids Definition

escape velocity

noun
: the lowest velocity that a moving body (as a rocket) must have to escape from the field of gravity of the earth or of a heavenly body and move outward into space

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