ATOMIC NUMBER 51

 Dictionary entry overview: What does atomic number 51 mean? 

• ATOMIC NUMBER 51 (noun)
  The noun ATOMIC NUMBER 51 has 1 sense:

1. a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite

  Familiarity information: ATOMIC NUMBER 51 used as a noun is very rare.

 Dictionary entry details 

• ATOMIC NUMBER 51 (noun)

Sense 1

Meaning:

A metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite

Classified under:

Nouns denoting substances

Synonyms:

antimony; atomic number 51; Sb

Hypernyms ("atomic number 51" 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 51" is a substance of...):

stibnite (a soft grey mineral; the chief ore of antimony)

 Context examples 

An element with atomic symbol Sb, atomic number 51, and atomic weight 121.76.

(Antimony, NCI Thesaurus)