copper
nounADJ.
molten | beaten | unalloyed | burnished
Her hair shone like burnished copper.VERB + COPPER
mine | produce | be alloyed with
silver alloyed with copperCOPPER + VERB
be alloyed with sth
copper alloyed with arsenicCOPPER + 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.