Z-zero particle

[ zee-zeer-oh ]
/ ˈziˈzɪər oʊ /

noun Physics.

one of three particles, called intermediate vector bosons, that are believed to transmit the weak force. Symbol: Z0
Also called Z particle, Z boson.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019