HyperDic: atomic_number_78

English > 1 sense of the expression atomic number 78:
NOUNsubstanceatomic number 78, platinum, Pta heavy precious metallic element
English > atomic number 78: 1 sense > noun 1, substance
MeaningA heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits.
Synonymsplatinum, Pt
Broadernoble metalAny metal that is resistant to corrosion or oxidation
Spanishnúmero atómico 78, platino, Pt
Catalannúmero atòmic 78, platí, Pt

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