rest-energy

rest energy

noun Physics.
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.

Origin:
1935–40

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To rest-energy
American Heritage
Science Dictionary
rest energy   (rěst)  Pronunciation Key 
In Special Relativity, the energy corresponding to the rest mass of a body, equal to the rest mass multiplied by the speed of light squared. See more at mass-energy equivalence.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;