rest energy

1. 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

   Broaderenergy

Questions about rest energy

What does rest energy mean?

rest energy means "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".

Is rest energy a common word?

rest energy is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.