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free energy vs rest energy

rest energy vs free energy

free energy and rest energy both are nouns.

Word NounAdjectiveVerbAdverb
free energy Yes No No No
rest energy Yes No No No
As nouns, rest energy is a hyponym of free energy; that is, rest energy is a word with a more specific, narrower meaning than free 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
  • rest energy: 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
free energy (noun) rest energy (noun)
(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs 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
Difference between free energy and rest energy

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