niobianWiktionary 原文英美构词拆解niobniobium词干ian-ian后缀-ian(as an adjective) From, related to, or like. · (as a noun) One from, belonging to, relating to, or like.词源说明From niobium + -ian.释义形容词adjective1(mineralogy) Containing niobium同族词相关词 1niobatian