mass-energy equivalence

1. 1.

   (physics) the principle that a measured quantity of mass is equivalent (according to relativity theory) to a measured quantity of energy

   Broaderprinciple

   physics

Questions about mass-energy equivalence

What does mass-energy equivalence mean?

mass-energy equivalence means "(physics) the principle that a measured quantity of mass is equivalent (according to relativity theory) to a measured quantity of energy".

Is mass-energy equivalence a common word?

mass-energy equivalence 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.