ATOMIC NUMBER 42

 Dictionary entry overview: What does atomic number 42 mean? 

• ATOMIC NUMBER 42 (noun)
  The noun ATOMIC NUMBER 42 has 1 sense:

1. a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

  Familiarity information: ATOMIC NUMBER 42 used as a noun is very rare.

 Dictionary entry details 

• ATOMIC NUMBER 42 (noun)

Sense 1

Meaning:

A polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

Classified under:

Nouns denoting substances

Synonyms:

atomic number 42; Mo; molybdenum

Hypernyms ("atomic number 42" 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 42" is a substance of...):

molybdenite (a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds)

 Context examples 

An element with atomic symbol Mo, atomic number 42, and atomic weight 95.94.

(Molybdenum, NCI Thesaurus)