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spin quantum number

American  

noun

Physics.

  1. the quantum number that designates the total angular momentum associated with electron spin and has a value of ½ in units of h /2π.

spin quantum number Scientific  

  1. See under quantum number

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It would represent the ingredients that determine the concentration.The fourth quantum number is the spin quantum number.

From Scientific American

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.