Library / English Dictionary

    ATOMIC NUMBER 78

     I. (noun) 

    Sense 1

    Meaning:

    A heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some depositsplay

    Synonyms:

    atomic number 78; platinum; Pt

    Classified under:

    Nouns denoting substances

    Hypernyms ("atomic number 78" is a kind of...):

    noble metal (any metal that is resistant to corrosion or oxidation)

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