noun Etymology: New Latin ~s, from Greek chalkos + Latin pyrites Date: 1835 a yellow mineral that consists of a sulfide of copper and iron and is an important copper ore
CHALCOPYRITE
Meaning of CHALCOPYRITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012