¹ Source: wiktionary.com
Definition of Mesons
1. meson [n] - See also: meson
Medical Definition of Mesons
1. Short-lived elementary particles found in cosmic radiation or produced from nuclear disintegration. Their mass is between that of protons and electrons and they can be negative, positive, or neutral. Pi-mesons (pions) are heavier than mu-mesons (muons) and are proposed for cancer radiotherapy because their capture and disintegration by matter produces powerful, but short-lived, secondary radiation. (12 Dec 1998)
Lexicographical Neighbors of Mesons
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