escape velocity

noun

Definition of escape velocity

: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

Recent Examples of escape velocity from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'escape velocity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of escape velocity

1934


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