bismutocolumbiteWiktionary 原文英美构词拆解bismutobismuto-前缀columbitecolumbite词干bismuto-(mineralogy) Used to name minerals in which an element of another mineral is replaced by bismuth.词源说明From bismuto- + columbite.释义名词noun1(mineralogy) An orthorhombic-dipyramidal black mineral containing bismuth, niobium, oxygen, and tantalum.