单词 | chromo- |
释义 | chromo-comb. form 1. Chemistry. Combining form of chromium n., as in chromo-carbon, chromo-chloride, chromo-cyanotype, chromo-glucose, etc. ΚΠ 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 The chromo-carbon prints were transferred to zinc. 1875 tr. H. W. Vogel Chem. Light & Photogr. xv. 261 If a pigment impression—that is a chromo-glucose-picture—is produced on glass. 1879 H. Watts Dict. Chem. I. 955 Tartrate of chromium and hydrogen, or chromo-tartaric acid. 2. Shortened form of chromato- comb. form [ < Greek χρῶμα, χρώματος colour, compare Greek ἄχρωμος, πολύχρωμος = ἀχρώματος, πολυχρώματος, etc.] , as in it possesses ramified processes, and contains a black pigment’ ( New Sydenham Soc. Lexicon). Categories » chromoblast n. Brit. /ˈkrəʊməblɑːst/ , /ˈkrəʊməblast/ , U.S. /ˈkroʊməˌblæst/ [Greek βλαστός sprout, germ] ‘a variety of connective tissue corpuscles found under the skin and in the parenchyma of Batrachia, Mollusca, Annelida, and some fishes. chromocollotype n. Brit. /ˌkrəʊmə(ʊ)ˈkɒlətʌɪp/ , U.S. /ˌkroʊməˈkɑləˌtaɪp/ , /ˌkroʊmoʊˈkɑləˌtaɪp/ ΘΚΠ society > leisure > the arts > visual arts > printmaking > photomechanical or process printing > [noun] > collotype and similar processes heliotype1870 Woodbury1872 papyrotype1874 photogelatin1875 papyrograph1878 photo-collotype1878 Woodburytype1878 artotype1879 collotype1883 stannotype1883 papyrography1888 photomezzotype1888 photophane1888 chromocollotype1891 collography1891 photo-mezzo1896 1891 Pall Mall Gaz. 30 Sept. 1/2 The process of chromo~collotype is treading upon the heels of lithography for reproductive work of the cheaper class. chromocollotypy n. Brit. /ˌkrəʊmə(ʊ)ˈkɒlətʌɪpi/ , U.S. /ˌkroʊməˈkɑləˌtaɪpi/ , /ˌkroʊmoʊˈkɑləˌtaɪpi/ collotypy in colour.Π 1896 Brit. Jrnl. Photogr. Alm. 572 Chromo-collotypy and allied processes. chromometer n. Brit. /krəˈmɒmᵻtə/ , U.S. /krəˈmɑmədər/ [see -meter comb. form2; compare chromatometer n.] an instrument for determining by means of colour the presence of minerals in ores.ΘΚΠ the world > the earth > minerals > ore > [noun] > instrument determining presence of minerals chromometer1876 1876 S. Kens. Museum Catal. No. 3720 Weber's Photo and Chromometer. 1879 Athenæum 5 Apr. 444/2 An instrument which he has designed for making accurate determinations of the presence of certain minerals in ores, to which he has given the name of a ‘chromometer’. chromometry n. Brit. /krəˈmɒmᵻtri/ , U.S. /krəˈmɑmətri/ [-metry comb. form] the measurement of colour intensity.ΘΠ the world > matter > colour > science of colour > [noun] > measurement of colours colorimetry1861 chromometry1871 Tintometry1909 1871 Jrnl. Chem. Soc. 24 183 On the Constant Colour and Intensity of the Light from Clouds, for Chromometry. chromophane n. Brit. /ˈkrəʊməfeɪn/ , U.S. /ˈkroʊməˌfeɪn/ [Greek -ϕανής appearing, showing] ‘a generic term applied to the different colouring matters of the inner segments of the cones of the retina of animals where they are held in solution by a fat’ ( New Sydenham Soc. Lexicon).Π 1885 W. Stirling tr. L. Landois Text-bk. Human Physiol. II. 963 In the cones are the pigmented oil globules, the so-called ‘chromophanes’. chromophore n. Brit. /ˈkrəʊməfɔː/ , U.S. /ˈkroʊməˌfɔr/ [Greek -ϕορος bearing, bearer] see quot. and cf. chromogen n.Π 1879 H. Watts Dict. Chem. VIII. i. 696 The body whose presence, in conjunction with a salt-forming group, determines the possession of tinctorial power, may be conveniently called a chromophore. chromophoric adj. Brit. /ˌkrəʊmə(ʊ)ˈfɒrɪk/ , U.S. /ˌkroʊməˈfɔrɪk/ , /ˌkroʊmoʊˈfɔrɪk/ colour-bearing or -producing, of the nature of a chromophore.ΘΠ the world > matter > colour > colouring > colouring matter > [adjective] > yielding dye tinctorious1786 colorific1794 tinctorial1811 chromophoric1892 chromophorous1893 1892 A. Collin & W. Richardson tr. Nietzki Chem. Org. Dyestuffs i. 13 The chromophoric quinone group confers strong acid properties on the auxochromic hydroxyl group. 1893 Athenæum 15 July 100/2 The dyestuffs..are classed according to the particular chromophoric groups they contain. 1958 Van Nostrand's Sci. Encycl. 342/1 Chromophoric electrons, electrons in the double bonds of the chromophoric groups. 1962 J. T. Marsh Self-smoothing Fabrics xviii. 300 Free methyl radicals might possibly react with the quinoid group..and produce a methoxyl group which would destroy the chromophoric structure. chromophorous adj. Brit. /krəˈmɒfərəs/ , U.S. /krəˈmɑfərəs/ = chromophoric adj.ΘΠ the world > matter > colour > colouring > colouring matter > [adjective] > yielding dye tinctorious1786 colorific1794 tinctorial1811 chromophoric1892 chromophorous1893 1893 E. Knecht et al. Man. Dyeing 404 A colour-bearing (chromophorous) group or chromophor. 1902 Encycl. Brit. XXVII. 564/2 Such compounds containing chromophorous groups are termed chromogens. chromophotography n. Brit. /ˌkrəʊmə(ʊ)fəˈtɒɡrəfi/ , U.S. /ˌkroʊmoʊfəˈtɑɡrəfi/ a name for the production of photographs of objects in their natural colours. chromophotolithograph n. Brit. /ˌkrəʊmə(ʊ)ˌfəʊtə(ʊ)ˈlɪθəɡrɑːf/ , /ˌkrəʊmə(ʊ)ˌfəʊtə(ʊ)ˈlɪθəɡraf/ , U.S. /ˌkroʊmoʊˌfoʊdoʊˈlɪθəˌɡræf/ a photolithograph produced in colours.ΘΚΠ society > leisure > the arts > visual arts > printmaking > photomechanical or process printing > [noun] > photolithography > a print photolithograph1855 photo-lithotype1859 photo-chromolithograph1870 chromophotolithograph1882 photolitho1960 1882 American III. 263 A successful chromophotolithograph of the old vellum drawing. chromophyll n. Brit. /ˈkrəʊməfɪl/ , U.S. /ˈkroʊməˌfɪl/ [Greek ϕύλλον leaf, after chlorophyll] Botany the colouring principles of plants other than chlorophyll.ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [noun] > pigment chlorophyll1819 chromule1835 anthoxanthin1836 viridine1837 chlorophyllite1838 anthocyanin1853 phytochlore1866 chromophyll1882 aspergillin1891 phytochrome1893 1882 Academy 4 Feb. 77 The chlorophyll..is fading before..those other pigments which Mr. Wallace calls collectively chromophyll. chromoprotein n. Brit. /ˌkrəʊmə(ʊ)ˈprəʊtiːn/ , U.S. /ˌkroʊmoʊˈproʊˌtin/ a compound consisting of a protein and a metal-containing pigment or a carotenoid.Π 1924 Chem. Abstr. 2718 The salt-like character of the mol[ecule]..has now been shown for the chromoproteins, e.g., hemoglobin. 1961 A. S. MacNalty Brit. Med. Dict. 307/1 Chromoproteins occur in both animals and plants..and are intimately concerned in respiration. 1964 N. G. Clark Mod. Org. Chem. xvii. 353 The red corpuscles, which constitute the majority of blood corpuscles, largely consist of hæmoglobin, a chromoprotein, i.e. a coloured conjugated protein in which the prosthetic group contains a metal. chromoptometer n. Brit. /ˌkrəʊmɒpˈtɒmᵻtə/ , U.S. /ˌkroʊmɑpˈtɑmədər/ [compare chromatoptometry n. at chromato- comb. form ] ‘an instrument for determining the sharpness of the colour sense in man’ ( New Sydenham Soc. Lexicon). chromoptometrical adj. Brit. /ˌkrəʊmɒptəˈmɛtrᵻkl/ , U.S. /ˌkroʊmˌɑptəˈmɛtrək(ə)l/ Π 1876 S. Kens. Museum Catal. No. 3721 Weber's Chromoptometrical Tables. Draft additions 1993 chromodynamic adj. Brit. /ˌkrəʊmə(ʊ)dʌɪˈnamɪk/ , /ˌkrəʊmə(ʊ)dᵻˈnamɪk/ , U.S. /ˌkroʊməˌdaɪˈnæmɪk/ , /ˌkroʊmoʊˌdaɪˈnæmɪk/ Particle Physics of or pertaining to chromodynamics; usually in quantum(-)chromodynamic.ΘΚΠ the world > matter > physics > atomic physics > particle physics > quark > [adjective] > relating to chromodynamics chromodynamic1979 1979 Physical Rev. Lett. 43 668 (heading) Higher-order quantum chromodynamic corrections in e+e− annihilation. 1980 Sci. News 9 Feb. 85 How the charmonium states change into one another..and differ from one another is extremely important for an understanding of the characteristic called charm and of the chromodynamic force that holds these structures together. 1985 Physical Rev. D. 31 917 (heading) Color confinement and the quantum-chromodynamic vacuum. 1987 JETP Lett. 45 515 The QCD structure of a finite hadronic state in deep inelastic scattering is discussed. Special attention is focused on the physics of the chromodynamic coherence. Draft additions 1993 chromodynamics n. Brit. /ˌkrəʊmə(ʊ)dʌɪˈnamɪks/ , /ˌkrəʊmə(ʊ)dᵻˈnamɪks/ , U.S. /ˌkroʊməˌdaɪˈnæmɪks/ , /ˌkroʊmoʊˌdaɪˈnæmɪks/ Particle Physics plural (construed as singular) = quantum chromodynamics n. at quantum n. and adj. Compounds 2.ΘΚΠ the world > matter > physics > atomic physics > particle physics > quark > [noun] > quantum chromodynamics QCD1975 quantum chromodynamics1975 chromodynamics1976 1976 Sci. News 26 June 408/3 Theorists postulated intermediate particles that would carry the force between quarks. These intermediates are called gluons. The whole theory is called chromodynamics. 1985 Physical Rev. D. 32 223/1 This attempt to construct a quark model with chromodynamics for mesons has been reasonably successful. This entry has not yet been fully updated (first published 1889; most recently modified version published online March 2022). < comb. form1845 |
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