/ məˈtælɪk; NAmE / adjective [ usually before noun ]
1.
that looks, tastes or sounds like metal :
metallic paint / colours / blue
a metallic taste
a metallic sound / click
a metallic voice (= that sounds unpleasant)
2.
made of or containing metal :
a metallic object
metallic compounds
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WORD ORIGIN
late Middle English : via Latin from Greek metallikos , from metallon mine, quarry, or metal.