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zero-point energy

[zeer-oh-point] /ˈzɪər oʊˌpɔɪnt/
noun, Physics.
1.
energy in a substance at the temperature of absolute zero.
Origin
1930-1935
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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zero point energy in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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