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mass-energy equation

[ mas-en-er-jee ]

noun

, Physics.
  1. the equation, E=mc2, formulated by Albert Einstein, expressing the equivalence between mass and energy, where E is energy, m is mass, and c is the velocity of light.


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Word History and Origins

Origin of mass-energy equation1

First recorded in 1940–45

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mass-energymass-energy equivalence