Orthoclastic

Orthoclastic
Orthoclastic Or`tho*clas"tic, a. (Crystallog.) Breaking in directions at right angles to each other; -- said of the monoclinic feldspars. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • orthoclastic — /awr theuh klas tik/, adj. Crystall. (of a crystal) having cleavages at right angles to each other. [1875 80; < G orthoklastisch, equiv. to ortho ORTHO + klastisch CLASTIC] * * * …   Universalium

  • orthoclastic — adjective Having cleavage planes at right angles; as in orthoclase …   Wiktionary

  • orthoclastic — or·tho·clas·tic …   English syllables

  • orthoclastic — | ̷ ̷ ̷ ̷|klastik adjective Etymology: German orthoklastisch, from orth + klastisch clastic : cleaving in directions at right angles to each other used originally of the monoclinic feldspars …   Useful english dictionary

  • Feldspar — Feld spar , Feldspath Feld spath , n. [G. feldspath; feld field + spath spar.] (Min.) A name given to a group of minerals, closely related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case, baryta.… …   The Collaborative International Dictionary of English

  • Feldspath — Feldspar Feld spar , Feldspath Feld spath , n. [G. feldspath; feld field + spath spar.] (Min.) A name given to a group of minerals, closely related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case …   The Collaborative International Dictionary of English

  • orthotomous — orthotomous, a. Min. (ɔːˈθɒtəməs) [f. as prec. + ous.] = orthoclastic. Webster cites Dana …   Useful english dictionary

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