/kal'keuh puy"ruyt/ , n.
a very common mineral, copper iron sulfide, CuFeS 2 , occurring in brass-yellow crystals or masses: the most important ore of copper; copper pyrites.
[ 1825-35; CHALCO- + PYRITE ]
/kal'keuh puy"ruyt/ , n.
a very common mineral, copper iron sulfide, CuFeS 2 , occurring in brass-yellow crystals or masses: the most important ore of copper; copper pyrites.
[ 1825-35; CHALCO- + PYRITE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012