meson
IPA: mˈeɪzɑn
noun
- (rare outside entomology) The mesial plane dividing the body into similar right and left halves.
- (obsolete) A member of a group of subatomic particles having a mass intermediate between electrons and protons. (The most easily detected mesons fit this definition.)
- (now specifically, physics) An elementary particle that is composed of a quark and an antiquark, such as a kaon or pion. (Mesons composed of rarer quarks are much heavier.)
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Examples of "meson" in Sentences
- Scientists have discovered a new type of subatomic particle called a meson
- The decay process of a meson is governed by the strong nuclear force
- Mesons play a crucial role in mediating the interaction between protons and neutrons in atomic nuclei
- The mass of a meson is typically between that of a proton and an electron
- Some mesons have strange properties that are not observed in other particles
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