ophitic
adjective Etymology: ophite serpentine (stone), from Latin ophites, from Greek ophitēs (lithos), from ophitēs snakelike, from ophis snake; akin to Sanskrit ahi snake and probably to Latin anguis snake, anguilla eel, Greek enchelys eel, echidna viper, echinos hedgehog, Old English igil Date: 1875 having or being a rock fabric in which lath-shaped plagioclase crystals are enclosed in later formed augite

New Collegiate Dictionary. 2001.

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  • ophitic — [ō fit′ik] adj. 〚< L ophites < Gr ophitēs (lithos), snake (stone) < ophis, a snake (see OPHIOLATRY) + IC〛 designating a texture of igneous rock, esp. diabase, in which long, flat, narrow crystals of plagioclase feldspar are embedded in augite * * …   Universalium

  • ophitic — [ō fit′ik] adj. [< L ophites < Gr ophitēs (lithos), snake (stone) < ophis, a snake (see OPHIOLATRY) + IC] designating a texture of igneous rock, esp. diabase, in which long, flat, narrow crystals of plagioclase feldspar are embedded in… …   English World dictionary

  • ophitic — (ˈ)ä|fid.ik, (ˈ)ō| adjective Etymology: ophite (I) + ic : having a rock fabric in which lath shaped plagioclase crystals are enclosed wholly or in part in later formed augite diabase has an ophitic structure …   Useful english dictionary

  • ophitic — adjective Describing any rock having crystals of feldspar interspersed with plates of augite …   Wiktionary

  • ophitic — ophit·ic …   English syllables

  • ophitic — /ɒˈfɪtɪk/ (say o fitik) adjective denoting or relating to a rock texture exhibited by certain ophites (diabases), in which elongate felspar crystals are embedded in a matrix of pyroxenes …   Australian English dictionary

  • Poikilitic — Ophitic redirects here. For the language, see Pontic Greek#Romeyka. Poikilitic texture refers to crystals, typically phenocrysts, in an igneous rock which contain small grains of other minerals. The texture is most easily observed in petrographic …   Wikipedia

  • ophite — ophitic /oh fit ik/, adj. /of uyt, oh fuyt/, n. Petrol. a diabase in which elongate crystals of plagioclase are embedded in pyroxene. [1350 1400; ME ophites < L ophites serpentine stone < Gk ophítes (líthos) serpentine (stone), equiv. to óph(is)… …   Universalium

  • diabase — noun Etymology: French, probably from Greek diabasis act of crossing over, from diabainein to cross over, from dia + bainein to go more at come Date: circa 1816 1. archaic diorite 2. chiefly British an altered basalt …   New Collegiate Dictionary

  • echidna — noun Etymology: New Latin, from Latin, viper, from Greek more at ophitic Date: 1832 a spiny coated toothless burrowing nocturnal monotreme mammal (Tachyglossus aculeatus) of Australia, Tasmania, and New Guinea that has a long extensible tongue… …   New Collegiate Dictionary

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