ATOMIC NUMBER 65

 Dictionary entry overview: What does atomic number 65 mean? 

• ATOMIC NUMBER 65 (noun)
  The noun ATOMIC NUMBER 65 has 1 sense:

1. a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite

  Familiarity information: ATOMIC NUMBER 65 used as a noun is very rare.

 Dictionary entry details 

• ATOMIC NUMBER 65 (noun)

Sense 1

Meaning:

A metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite

Classified under:

Nouns denoting substances

Synonyms:

atomic number 65; Tb; terbium

Hypernyms ("atomic number 65" is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Holonyms ("atomic number 65" is a substance of...):

apatite (a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus)

gadolinite; ytterbite (a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium)

monazite (a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium)