Z particle

noun

Definition of Z particle

: a neutral elementary particle about 90 times heavier than a proton that along with the W particle is a transmitter of the weak force

called also Z0, Z0 particle

First Known Use of Z particle

1979, in the meaning defined above

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The first known use of Z particle was in 1979

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Cite this Entry

“Z particle.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Z%20particle. Accessed 28 January 2020.

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