hy·​per·​on ˈhī-pə-ˌrän How to pronounce hyperon (audio)
: an elementary particle of the baryon group having greater mass than a nucleon

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Example Sentences

Recent Examples on the Web For example, neutrons might be replaced by hyperons, three-quark particles that include at least one strange quark. Quanta Magazine, 30 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hyperon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Word History


probably from hyper- + -on entry 2

First Known Use

1953, in the meaning defined above

Time Traveler
The first known use of hyperon was in 1953

Dictionary Entries Near hyperon

Cite this Entry

“Hyperon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperon. Accessed 25 Sep. 2022.

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