- oligoclase
- noun Etymology: German Oligoklas, from olig- olig- + Greek klasis breaking, from klan to break — more at clast Date: 1832 a mineral of the plagioclase series
New Collegiate Dictionary. 2001.
oligoclase
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Oligoclase — Catégorie IX : silicates[1] Oligoclase Chihuahua, Mexico … Wikipédia en Français
Oligoclase — from Chihuahua, Mexico General Category plagioclase, feldspar, tectosilicate … Wikipedia
Oligoclase — Ol i*go*clase, n. [Oligo + Gr. ? fracture, fr. ? to break.] (Min.) A triclinic soda lime feldspar. See {Feldspar}. [1913 Webster] … The Collaborative International Dictionary of English
oligoclase — ● oligoclase nom féminin Feldspath appartenant à la série des plagioclases, très répandu dans les roches cristallines … Encyclopédie Universelle
oligoclase — [äl′i gōklās΄] n. [Ger oligoklas < Gr oligos (see OLIGO ) + klasis, a fracture (see CLASTIC), in contrast to ORTHOCLASE, because cleavage differs slightly from 90°] a plagioclase feldspar whose composition corresponds to 70 to 90 percent… … English World dictionary
oligoclase — noun A plagioclase feldspar, the second member of the Albite Anorthite solid solution series. Primarily found as small crystals in impure marble. Oligoclase contains a small amount of calcium substituting for some of the sodium in its formula.… … Wiktionary
oligoclase — oligoklazas statusas T sritis chemija apibrėžtis Mineralas. formulė (Na,Ca)[(Si,Al)AlSi₂O₈] atitikmenys: angl. oligoclase rus. олигоклаз … Chemijos terminų aiškinamasis žodynas
oligoclase — /ol i goh klays /, n. Mineral. a kind of plagioclase feldspar occurring commonly in white crystals, sometimes shaded with gray, green, or red. [1825 35; OLIGO + CLASE] * * * the most common variety of the feldspar mineral plagioclase (q.v.) … Universalium
oligoclase — (entrée créée par le supplément) (o li go kla z ) s. f. Terme de minéralogie. Silicate double d alumine et de soude. C est une substance blanchâtre ou gris verdâtre, qui se présente en petites masses lamellaires … Dictionnaire de la Langue Française d'Émile Littré
oligoclase — [ ɒlɪgə(ʊ)kleɪz] noun a feldspar mineral common in siliceous igneous rocks, consisting of a sodium rich plagioclase. Origin C19: from oligo + Gk klasis breaking (because thought to have a less perfect cleavage than albite) … English new terms dictionary
