ATOMIC NUMBER 72

 Dictionary entry overview: What does atomic number 72 mean? 

• ATOMIC NUMBER 72 (noun)
  The noun ATOMIC NUMBER 72 has 1 sense:

1. a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons

  Familiarity information: ATOMIC NUMBER 72 used as a noun is very rare.

 Dictionary entry details 

• ATOMIC NUMBER 72 (noun)

Sense 1

Meaning:

A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons

Classified under:

Nouns denoting substances

Synonyms:

atomic number 72; hafnium; Hf

Hypernyms ("atomic number 72" 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.)