Library / English Dictionary

    ATOMIC NUMBER 63

     I. (noun) 

    Sense 1

    Meaning:

    A bivalent and trivalent metallic element of the rare earth groupplay

    Synonyms:

    atomic number 63; Eu; europium

    Classified under:

    Nouns denoting substances

    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)

    Credits


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