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

Examples of Z particle in a Sentence

Recent Examples on the Web The Z particle is electrically neutral, and an exchange of such particles is known as a neutral current. Washington Post, 26 July 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Z particle.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1979, in the meaning defined above

Time Traveler
The first known use of Z particle was in 1979

Dictionary Entries Near Z particle

Cite this Entry

“Z particle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Z%20particle. Accessed 24 May. 2024.

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