PHENOCRYST


Meaning of PHENOCRYST in English

[ 'fi:nə(ʊ)krɪst , 'fɛn- ]

■ noun Geology a large or conspicuous crystal in a porphyritic rock.

Origin

C19: from Fr. phénocryste , from Gk phainein 'to show' + krustallos 'crystal'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.