rest energy


nounPhysics.
  1. the energy equivalent to the mass of a particle at rest in an inertial frame of reference, equal to the rest mass times the square of the speed of light.

Origin of rest energy

1
First recorded in 1935–40

Words Nearby rest energy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

Scientific definitions for rest energy

rest energy

[ rĕst ]


  1. In Special Relativity, the energy corresponding to the rest mass of a body, equal to the rest mass multiplied by the speed of light squared. See more at mass-energy equivalence.

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