[ zeer-oh-point ]
/ ˈzɪər oʊˌpɔɪnt /
energy in a substance at the temperature of absolute zero.
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Origin of zero-point energy
First recorded in 1930–35
Words nearby zero-point energy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Scientific definitions for 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.