[ dʌɪ'ɒpsʌɪd ]
■ noun a pale green to white silicate mineral occurring in many metamorphic and igneous rocks.
Origin
C19: from Fr., formed irregularly from di- 3 + Gk opsis 'aspect', later interpreted as from Gk diopsis 'a view through'.
[ dʌɪ'ɒpsʌɪd ]
■ noun a pale green to white silicate mineral occurring in many metamorphic and igneous rocks.
Origin
C19: from Fr., formed irregularly from di- 3 + Gk opsis 'aspect', later interpreted as from Gk diopsis 'a view through'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004