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Z-zero particle

American  
[zee-zeer-oh] / ˈziˈzɪər oʊ /

noun

Physics.

  1. one of three particles, called intermediate vector bosons, that are believed to transmit the weak force. Z 0

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.