kaon

noun
ka·on | \ˈkā-ˌän \

Definition of kaon 

: an unstable meson that occurs in both charged and neutral forms and is about 970 times more massive than an electron

Examples of kaon in a Sentence

Recent Examples on the Web

An experiment in 1964 involving exotic particles called kaons violated charge-parity symmetry. Avery Thompson, Popular Mechanics, "The Delicate Symmetry That Holds Physics Together," 13 Dec. 2017 The Xi decays into a particle called the lambda baryon and three lighter particles, the K- (or kaon) and two pions. Fox News, "‘Charming’ heavy particle discovered at world’s largest atom smasher," 11 July 2017 The most famous of these two-quark particles are kaons and pions. Adam Mann, WIRED, "Mysterious Subatomic Particle May Represent Exotic New Form of Matter," 17 June 2013

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

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First Known Use of kaon

1958, in the meaning defined above

History and Etymology for kaon

International Scientific Vocabulary ka kay (from K-meson, its earlier name) + -on entry 2

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Dictionary Entries near kaon

kaolinite

kaolinization

kaolinize

kaon

kaori

kapa

kapai

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The first known use of kaon was in 1958

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