Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun 18-karat_gold
1 sense of 18-karat gold
Sense 1
18-karat gold -- (an alloy that contains 75 per cent gold)
=> 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")