ATOMIC NUMBER 13

 Dictionary entry overview: What does atomic number 13 mean? 

• ATOMIC NUMBER 13 (noun)
  The noun ATOMIC NUMBER 13 has 1 sense:

1. a silvery ductile metallic element found primarily in bauxite

  Familiarity information: ATOMIC NUMBER 13 used as a noun is very rare.

 Dictionary entry details 

• ATOMIC NUMBER 13 (noun)

Sense 1

Meaning:

A silvery ductile metallic element found primarily in bauxite

Classified under:

Nouns denoting substances

Synonyms:

Al; aluminium; aluminum; atomic number 13

Hypernyms ("atomic number 13" 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.)

Hyponyms (each of the following is a kind of "atomic number 13"):

alum; potash alum; potassium alum (a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum)

alum; ammonia alum; ammonium alum (a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum)

Holonyms ("atomic number 13" is a substance of...):

aluminium foil; aluminum foil; tin foil (foil made of aluminum)

bauxite (a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst)

Duralumin (an aluminum-based alloy)

 Context examples 

A metallic element in the boron group with atomic symbol Al, atomic number 13, and atomic weight 27.

(Aluminum, NCI Thesaurus)