charmoniumWiktionary 原文英美构词拆解charmcharm词干onium-onium后缀-onium(particle physics) Designating an onium particle.词源说明From charm + -onium.释义名词noun1(particle physics) Any meson formed from a charm quark and its antiquark.同族词派生词 3charmoniumlike·orthocharmonium·paracharmonium