REST ENERGY

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does rest energy mean? 

• REST ENERGY (noun)
  The noun REST ENERGY has 1 sense:

1. 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

  Familiarity information: REST ENERGY used as a noun is very rare.

 Dictionary entry details 

• REST ENERGY (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting natural phenomena

Hypernyms ("rest energy" is a kind of...):

energy; free energy ((physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs)