ADJ. molten | beaten | unalloyed | burnished Her hair shone like burnished copper.
VERB + COPPER mine | produce | be alloyed with silver alloyed with copper
COPPER + VERB be alloyed with sth copper alloyed with arsenic
COPPER + NOUN mine | miner | mining, smelting | deposit, ore | alloy, sulphate | coin, ingot, pipe, plate, wire | engraving
PREP. in ~ (= using copper) She works mainly in copper.
PHRASES an alloy of copper and/with sth Brass is an alloy of copper and zinc.