ATOMIC NUMBER 58

 Dictionary entry overview: What does atomic number 58 mean? 

• ATOMIC NUMBER 58 (noun)
  The noun ATOMIC NUMBER 58 has 1 sense:

1. a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group

  Familiarity information: ATOMIC NUMBER 58 used as a noun is very rare.

 Dictionary entry details 

• ATOMIC NUMBER 58 (noun)

Sense 1

Meaning:

A ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group

Classified under:

Nouns denoting substances

Synonyms:

atomic number 58; Ce; cerium

Hypernyms ("atomic number 58" 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 58" is a substance of...):

bastnaesite; bastnasite (a yellow-to-brown mineral that is a source of rare earth elements)

gadolinite; ytterbite (a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium)

monazite (a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium)