• Definition for "mass-energy equivalence"
    • The physical principle that a measured level of…
    • View More
  • Hypernym for "mass-energy equivalence"

mass-energy equivalence definition

  • noun:
    • The physical principle that a measured level of energy is equivalent to a measured quantity of mass. The equivalence is expressed by Einstein's equation, E = mc2, where E represents energy, m the equivalent size, and c the speed of light.
    • (physics) the concept that a measured level of mass is comparable (relating to relativity concept) to a measured quantity of power
41 votes

How would you define mass-energy equivalence?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!