English noun: ytterbium | |||
1. | ytterbium (substance) a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime | ||
Synonyms | atomic number 70, Yb | ||
Broader (hypernym) | metal, metallic element | ||
Substance meronym | gadolinite, monazite, xenotime, ytterbite | ||