TERBIUM as NOUN

1. Meaning
   • a metallic element of the rare earth group
   • used in lasers
   • occurs in apatite and monazite and xenotime and ytterbite
   Synonym(s)
   • atomic number 65 (what does atomic number 65 mean?)
   • Tb (what does Tb mean?)
   Hypernyms(s) terbium is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • metallic element (what does metallic element mean?)
   • metal (what does metal mean?)