"metals" in the noun sense
1. metallic element, metal
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
2. alloy, metal
a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten
"brass is an alloy of zinc and copper"
"metals" in the verb sense
cover with metal
Source: WordNet® (An amazing lexical database of English)
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