mass-energy

mass-energy
1. noun
a) Mass and energy as a unified concept.

, Whereas in classical physics mass and energy are distinct concepts, on relativistic scales, they become indistiguishable and are replaced by mass-energy.

b) (also spelled mass energy) The energy associated with any given mass according to special relativity, E = mc.

, In higher-energy physics, mass and energy eventually become meaningless as individual concepts; a particles so-called "mass" is actually mass-energy and is often given equivalently in units of either mass (GeV/c) or energy (GeV).

mass-to-energy

Mass-energy conversion occurs during nuclear fusion and fission.


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