omega minus

British

noun

an unstable negatively charged elementary particle, classified as a baryon, that has a mass 3273 times that of the electron

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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At a conference in July 1962 at CERN, Europe’s particle-physics laboratory near Geneva, Switzerland, he urged experimenters to find the missing particle, naming it the Omega Minus.

From Nature

They then found the Omega Minus.

From Nature

Dr. Gell-Mann’s theory was validated by later research on subatomic particles, including a landmark discovery in 1964 of a particle known as the Omega minus.

From Washington Post

If Dr. Gell-Mann’s math was right — a pretty good bet — there had to be a particle he called the omega minus.

From New York Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023