[ 'nɛf(ə)lɪn ]
■ noun a colourless, greenish, or brownish aluminosilicate mineral occurring in igneous rocks.
Origin
C19: from Fr. néphéline , from Gk nephelē 'cloud' (because its fragments become cloudy on immersion in nitric acid) + -ine 2 .
[ 'nɛf(ə)lɪn ]
■ noun a colourless, greenish, or brownish aluminosilicate mineral occurring in igneous rocks.
Origin
C19: from Fr. néphéline , from Gk nephelē 'cloud' (because its fragments become cloudy on immersion in nitric acid) + -ine 2 .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004