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chromatometer
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chromatometer
chromatometer (krəʊməˈtɒmɪtə(r)) [f. chromato- + -meter.] A measure or scale of colours.1835 Henslow Descr. & Phys. Bot. 200 These may be arranged in a diagram termed a Chromatometer. 1858 Whewell Hist. Sc. Ideas I. 341 (L.) And thus..the prismatic spectrum of sunlight became, for certain purposes, ...
Oxford English Dictionary
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chromo-
chromo- (ˈkrəʊməʊ) 1. Chem. Combining form of chromium, as in chromo-carbon, chromo-chloride, chromo-cyanotype, chromo-glucose, etc.1845 Year Bk. of Facts 234 To distinguish it from the cyanotype process of Sir John Herschell..Mr. Hunt proposed to call it Chromo-cyanotype. 1864 Reader 26 Mar. 393/3 ...
Oxford English Dictionary
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