Atomic Number 65 — synonyms, definition
1. atomic number 65 (Noun)
2 synonyms
Tb terbium
1 definition
atomic number 65 (Noun) — A metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite.
2 types of
metal metallic element
4 parts of
apatite gadolinite monazite ytterbite