OIII

== Translingual == === Alternative forms === O-III, O III, OIII === Etymology === O (“oxygen”)+III (“3”) === Symbol === OIII (chemistry, spectroscopy) doubly-ionized oxygen; an atomic oxygen ion needing 2 electrons to become neutral ==== Synonyms ==== ==== Related terms ==== ==== Descendants ==== English: OIII emission line, OIII emission line, O-III emission line, O III emission line === See also ===