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sigma baryon

American

noun

Physics. any of three unstable baryons with mass 2,328 to 2,343 times that of the electron.

sigma baryon Scientific

Any of three unstable subatomic particles in the baryon family, having a mass 2,328 to 2,343 times that of the electron and a positive, neutral, or negative electron charge.
See Table at subatomic particle

Other Word Forms

Noun Inflected Forms

sigma baryons

plural

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.