meson

== English == === Etymology 1 === From Ancient Greek μέσον (méson, “middle”). Doublet of medium. ==== Pronunciation ==== IPA(key): /ˈmɛs.ɒn/ ==== Noun ==== meson (plural mesons) (rare outside entomology) The mesial plane dividing the body into similar right and left halves. ===== Derived terms ===== ventrimeson dorsimeson === Etymology 2 === From meso- +‎ -on. Coined by Indian physicist Homi Bhabha in 1939, as a modification of the earlier suggestion mesotron. ==== Pronunciation ==== IPA(key): /ˈmiːzɒn/, /ˈ-sɒn/, /ˈmɛ-/ ==== Noun ==== meson (plural mesons) (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, particle 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.) ===== Synonyms ===== mesotron ===== Hypernyms ===== boson hadron ===== Hyponyms ===== scalar meson vector meson ===== Derived terms ===== ===== Translations ===== === Anagrams === 'mones, Mones, Semon, mones, nomes, omens, semon, somen == Dutch == === Pronunciation === === Noun === meson n (plural mesonen, no diminutive) (physics) meson == Esperanto == === Pronunciation === IPA(key): /ˈmeson/ Rhymes: -eson Syllabification: me‧son === Noun === meson accusative singular of meso == French == === Pronunciation === IPA(key): /me.zɔ̃/ === Noun === meson m (plural mesons) alternative spelling of méson == Middle English == === Alternative forms === measoun === Etymology === Borrowed from Anglo-Norman maisun (“house”). === Noun === meson (plural mesons) a house ==== References ==== “meson, n.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007. == Old French == === Alternative forms === maisun maison === Etymology === From Latin mansiō, mansiōnem (“abode, home, dwelling”). === Noun === meson oblique singular, f (oblique plural mesons, nominative singular meson, nominative plural mesons) house ==== Descendants ==== French: maison