| English Dictionary |
ATOMIC NUMBER 63
Dictionary entry overview: What does atomic number 63 mean?
• ATOMIC NUMBER 63 (noun)
The noun ATOMIC NUMBER 63 has 1 sense:
1. a bivalent and trivalent metallic element of the rare earth group
Familiarity information: ATOMIC NUMBER 63 used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
A bivalent and trivalent metallic element of the rare earth group
Classified under:
Nouns denoting substances
Synonyms:
atomic number 63; Eu; europium
Hypernyms ("atomic number 63" 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 63" is a substance of...):
monazite (a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium)
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