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Dirac sea

American  

noun

  1. in quantum mechanics, the model of a vacuum according to which it is constituted by an infinite set of negative-energy electron states.

Dirac sea Scientific  

  1. In relativistic quantum mechanics, the completely filled, infinite set of negative energy electron states that makes up a vacuum. If a negative energy electron is promoted to a positive energy state, the hole it leaves behind has the properties of a positron.

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.