( n. )
A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide.
( n. )
A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012