(before a vowel or h usually cyan-). 1. Used as combining form of Gr. κύανος a dark-blue mineral, κυάνεος adj. dark-blue, in scientific terms, in sense ‘dark-blue,’ ‘azure,’ as Cyanochalcite Min. [Gr. χαλκός copper], a blue silicate of copper (1872 in Dana). Cyanochlorous a. [Gr. χλωρός yellowish-green], bluish green (Syd. Soc. Lex.). Cyanochroite Min. [Gr. χροιά color], a blue hydrous sulphate of copper and potassium (1868 in Dana); also called Cyanochrome (1857 in Shepard, Min.). Cyanolite Min. [see -LITE], a bluish mineral consisting largely of silica (1861 in Bristow’s Gloss., 102). Cyanopathy Path. [Gr. -παθεια, f. πάθος suffering] = CYANOSIS (1857 in Dunglison); so Cyanopathic a. Cyanotrichite Min. [Gr. θρίξ, τριχ-, hair], a blue fibrous sulphate of copper and aluminium (Dana, 1854).

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1890.  Daily News, 11 Dec., 3/5. His appearance was cyanopathic, his eyes were inflamed.

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  2.  Chem. (= CYAN- 2): Of or containing cyanogen; in the names of cyanogen compounds, as Cyanobenzine, benzonitril or phenyl cyanide. Cyanodide, obs. synonym of CYANIDE. Cyanonaphthalene, naphthyl cyanide, etc.

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