omega-minus particle

[ oh-mee-guh-mahy-nuhs, -mey-, oh-meg-uh- ]

noun

, Physics.

1. a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. : Ω −

Word History and Origins

Origin of omega-minus particle¹

First recorded in 1960–65