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zero-point energy
[ zeer-oh-point ]
noun
, Physics.
- energy in a substance at the temperature of absolute zero.
zero-point energy
- The irreducible minimum energy possessed by a physical system, as of a substance at a temperature of absolute zero. The zero point energy of a vacuum is not zero due to vacuum fluctuations .
- See Note at absolute zero
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Word History and Origins
Origin of zero-point energy1
First recorded in 1930–35
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