mass-energy
mass-energy · mass-energies
Mass and energy as a unified conceptMass and energy as a unified concept.
Meaning
2 senses(countable, uncountable)Mass and energy as a unified concept.
Whereas in classical physics mass and energy are distinct concepts, on relativistic scales, they become indistinguishable and are replaced by mass-energy.
For equations normalized with Planck units, the quantities of mass and energy become numerically identical, revealing their true nature as mass-energy.
(countable, uncountable)The energy associated with any given mass according to special relativity, E = mc².
Forms
plural: mass-energies| Singular | mass-energy |
|---|---|
| Plural | mass-energies |
regular
Word family
1 related wordsRelatedrelativistic mass
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable