ATOMIC NUMBER 73

 Dictionary entry overview: What does atomic number 73 mean? 

• ATOMIC NUMBER 73 (noun)
  The noun ATOMIC NUMBER 73 has 1 sense:

1. a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite

  Familiarity information: ATOMIC NUMBER 73 used as a noun is very rare.

 Dictionary entry details 

• ATOMIC NUMBER 73 (noun)

Sense 1

Meaning:

A hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite

Classified under:

Nouns denoting substances

Synonyms:

atomic number 73; Ta; tantalum

Hypernyms ("atomic number 73" 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 73" is a substance of...):

fergusonite (a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals)

columbite; niobite (a black mineral that is an ore of niobium and tantalum)

tantalite (a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum)