mass-energy relation

mass-energy relation

[′mas ′en·ər·jē ri‚lā·shən]
(relativity)
The relation whereby the total energy content of a body is equal to its inertial mass times the square of the speed of light.
References in periodicals archive ?
The energy of photons and their electromagnetic radiation field also have to be regarded as an equivalent mass due to Einstein's mass-energy relation.
Einstein's mass-energy relation suggested the total energy of a particle ([epsilon]) is connected to its mass (m), [epsilon] = [mc.