DIOPTASE


Meaning of DIOPTASE in English

/duy op"tays/ , n.

a mineral, hydrous copper silicate, CuSiO 3 ·H 2 O, occurring in emerald-green crystals.

[ 1795-1805; di- DI- 3 + Gk optasía view ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .