guinea gold

Noun guinea gold has 2 senses

• guinea gold(n = noun.substance) red brass - brass with enough copper to give it a reddish tint; used for plumbing pipe and other brass hardware and in cheap jewelry;
is a kind of brass

• guinea gold(n = noun.substance) - 22-karat gold from which guinea coins were made;
is a kind of atomic number 79, au, gold