Noun: atomic number 65
- A metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite
"Terbium, atomic number 65, is used in some electronic devices for its fluorescent properties";
- terbium, Tb
Type of: metal, metallic element
Part of: apatite, gadolinite, monazite, ytterbite