| / English Dictionary |
ATOMIC NUMBER 58
I. (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
Synonyms:
Classified under:
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)
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