rest energy
noun Physics.
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
First recorded in 1935–40
Words nearby rest energy
ressentiment,
rest,
rest area,
rest assured,
rest cure,
rest energy,
rest home,
rest mass,
rest on one's laurels,
rest room,
rest stop
Scientific definitions for rest energy
rest energy
[ rĕst ]
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.