a hard substance found in rock that is a mixture of sulphur (=a yellow element) and a metal, especially iron. It is also known as fool’s gold because it looks very much like gold.
Synonyms and related words
Metals
aluminium
aluminum
barium
pyrites
noun uncountable
US /ˈpaɪˌraɪts/
DEFINITIONS1
1
a hard substance found in rock that is a mixture of sulfur (=a yellow element) and a metal, especially iron. It is also known as fool’s gold because it looks very much like gold.