pi-meson C2+ Topic:Science & Research US /ˈpaɪ ˌmez.ɑːn/ UK /ˈpaɪ ˌmiː.zɒn/ See IPA manual Freq #672349 Meanings 1 noun a pion, any of three unstable spin-zero mesons with positive, negative, or zero charge, formed from combinations of up and down quarks and antiquarks A charged pi-meson can decay into a muon and a neutrino. Thesaurus Synonyms 1 noun · a pion, any of three... pionpi meson Word family Related forms mesonquarkantiquarkstrong interactionnuclear force Etymology Formed from pi, the name of the Greek letter used in the particles' symbols, + meson. The shorter name pion was created by contracting pi-meson and became the usual modern term. Topics Science & Research External links Cambridge Dictionary Wiktionary Google Images # pi-meson **Type:** Word **Level:** C2+ **Part of speech:** noun **IPA (US):** /ˈpaɪ ˌmez.ɑːn/ **IPA (UK):** /ˈpaɪ ˌmiː.zɒn/ **Frequency rank:** 672349 ## Meanings 1. a pion, any of three unstable spin-zero mesons with positive, negative, or zero charge, formed from combinations of up and down quarks and antiquarks ## Examples - A charged pi-meson can decay into a muon and a neutrino. ## Synonyms - pion - pi meson ## Related Forms - meson - quark - antiquark - strong interaction - nuclear force ## Etymology Formed from pi, the name of the Greek letter used in the particles' symbols, + meson. The shorter name pion was created by contracting pi-meson and became the usual modern term. ## Topics - Science & Research markdown