ytterbium /i'tә:biәm/ 📖 中文释义 n. 镱[化] 镱Yb 📘 English Definition(英文释义) n. a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime ← ytterbite Y 字母词表 ytterbium bromide →