Phenocryst
Phenocryst Phe"no*cryst, n. [Gr. ? to appear + ? crystal.] (Geol.) One of the prominent embedded crystals of a porphyry. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

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  • phenocryst — [fē′nə krist] n. [Fr phénocryste < Gr phainein, to show (see FANTASY) + krystallos,CRYSTAL] a relatively large and usually conspicuous crystal found in a fine grained matrix in porphyritic igneous rock …   English World dictionary

  • Phenocryst — A phenocryst is a relatively large and usually conspicuous crystal distinctly larger than the grains of the rock groundmass of a porphyritic igneous rock. Phenocrysts often have euhedral forms either due to early growth within a magma or by post… …   Wikipedia

  • phenocryst — noun Etymology: French phénocryste, from Greek phainein to show + krystallos crystal more at fancy Date: 1893 one of the prominent embedded crystals of a porphyry • phenocrystic adjective …   New Collegiate Dictionary

  • phenocryst — /fee neuh krist, fen euh /, n. Petrol. any of the conspicuous crystals in a porphyritic rock. [1890 95; PHENO + CRYST(AL)] * * * …   Universalium

  • phenocryst — noun any relatively large crystal embedded in a more fine grained or glassy igneous rock …   Wiktionary

  • phenocryst — ALASKA VOLCANO OBSERVATORY GLOSSARY A conspicuous, usually large, crystal embedded in porphyritic igneous rock …   Glossary of volcanic terms

  • phenocryst — [ 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 …   English new terms dictionary

  • phenocryst — pheno·cryst …   English syllables

  • phenocryst — phe•no•cryst [[t]ˈfi nə krɪst, ˈfɛn ə [/t]] n. pet any of the conspicuous crystals in a porphyritic rock • Etymology: 1890–95; pheno +cryst ( al) …   From formal English to slang

  • phenocryst — /ˈfinəkrɪst/ (say feenuhkrist), /ˈfɛnə / (say fenuh ) noun any of the relatively large and ordinarily conspicuous crystals in a porphyritic rock. {pheno + cryst(al)} …   Australian English dictionary

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