deuteronWiktionary 原文构词拆分deutero-前缀Second or secondary. · Containing deuterium.+-on后缀(physics, mathematics) Forming nouns denoting subatomic particles and quanta.演变路径（由近及远）英语源自 ←古希腊语 δεύτερος “second”词源说明From deutero- + -on. From deuterium, from Ancient Greek δεύτερος (deúteros, “second”).释义（英文）名词 Noun(physics) the nucleus of deuterium, consisting of a proton and a neutron词族派生词（3）antideuterondeuteronicdeuteronlike