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Definition of Rest Mass in English :

Define Rest Mass in English

Rest Mass meaning in English

Meaning of Rest Mass in English

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Rest Mass pronunciation in English

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Rest Mass

see synonyms of rest mass

Noun

1. rest mass

(physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body

WordNet Lexical Database for English. Princeton University. 2010.

Rest Mass

see synonyms of rest mass
noun
the mass of an object that is at rest relative to an observer. It is the mass used in Newtonian mechanics

Collins English Dictionary. Copyright © HarperCollins Publishers

Rest Mass

see synonyms of rest mass
Physics
the mass of a body when its velocity is zero: according to one view of the special theory of relativity, an object's mass increases as its speed increases

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Rest Mass

see synonyms of rest mass
n.
The physical mass of a body as measured by an observer who perceives the body as motionless. Rest mass is an inherent property of elementary particles. Also called invariant mass.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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