Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rest_energy

1 sense of rest energy

Sense 1
rest energy -- (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)
       => energy, free energy -- ((physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs; "energy can take a wide variety of forms")