Wiktionary
n. (context physics English) The energy of the mass component of a body at rest; equal to the product its rest mass and the square of the speed of light
WordNet
n. 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
Wikipedia
Rest Energy may refer to:
- Rest energy, concept in particle physics
- Rest Energy (performance piece)
Rest Energy is a 1980 performance art piece created and performed by then-performance artist duo Marina Abramović and Ulay and recorded in Amsterdam. Four minutes in duration, Abramović has described it as one of two of the most difficult pieces she has ever done, saying
The piece is in the collection of the Netherlands Media Art Institute.
Usage examples of "rest energy".
Bujak sat at the table, hunched forward as if he needed all the power of his back and shoulders just to hold position, just to keep his rest energy seized, skewered.
That is, the gravitational rest energy of the proton is related to its separation in the gravitational field from all the rest of the matter in the observable Universe, whereas its electrical rest energy is related only to its smallness in the electrical field and to its separation from a single electron.