zero-point energy
Americannoun
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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.
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See Note at absolute zero
Etymology
Origin of zero-point energy
First recorded in 1930–35
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A zero in quantum mechanics means that the entire universe—including the vacuum—is filled with an infinite amount of energy: the zero-point energy.
From Literature
Perhaps the weirdest of all is caused by a zero in the equations of quantum mechanics: the zero-point energy.
From Literature
This is the zero-point energy, an infinity in the formulas of quantum theory.
From Literature
Interpreted strictly, the zero-point energy is limitless.
From Literature
The zero-point energy is no different; most scientists ignore it completely.
From Literature
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.