A soft silvery metallic element, a rare earth of the lanthanide series, it occurs in gadolinite and monazite and xenotime
English: ytterbium, Yb, atomic number 70
Less certain link between this word and this sense.
Yb, atomic number 70, ytterbium
English: ytterbium, Yb, atomic number 70
Less certain link between this word and this sense.