trichromaticadj.
/trʌɪkrəʊˈmatɪk/ Having, showing, or pertaining to three colours; trichroic: spec.
a. Optics. Having or relating to the three fundamental colour-sensations (red, green, violet) of normal vision.
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the world > physical sensation > sight and vision > types of vision > [adjective] > colour
trichromatic1891
tetrachromatic1902
tetrachromic1902
1891 in Cent. Dict.
1896 C. G. Zander Photo-trichromatic Printing 36 The Young-Helmholtz theory of trichromatic vision.
b. Applied to lithographic printing in three colours; also to a photographic process by which the natural colours are reproduced by super-position or combination of photographs taken in three different-coloured lights.
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society > leisure > the arts > visual arts > printmaking > surface and planographic printing > lithography > [adjective] > types of
autographic1827
chromolithic1844
chromolithographic1845
autolithographic1861
lithochromatic1870
oleographic1885
trichromatic1896
1896 C. G. Zander Photo-trichromatic Printing Pref. Trichromatic printing does not make the headway it deserves.
1900 Westm. Gaz. 14 Nov. 2/1 ‘A Handbook of Photography in Colours’..by Messrs. Thomas Bolas, Alexander Tallent, and Edgar Senior. The curious will find every phase of trichromatic photography expounded.
1904 Daily News 17 Aug. 5 Trichromatic Toy-Books... I noticed the other day that a large toy-book..was done entirely by the three-colour process—literally three printings in all.
Derivatives
triˈchromatism n. the quality of being trichromatic; spec. (a) = trichroism n. b; (b) combination of three different colours, as in painting or colour-photography; (c) = trichromasy n.
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the world > physical sensation > sight and vision > types of vision > [noun] > colour
colour sense1867
colour sensitivity1888
trichromatism1895
trichromasy1911
the world > matter > colour > variegation > [noun] > three colours
trichroism1847
trichromatism1895
1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. Trichromatism.
1910 M. Greenwood Physiol. Special Senses Index 239/1 Trichromatism.
1925 M. Collins Colour-blindness i. 13 Nagel rejects the term colour-weakness as being too wide, and prefers the term anomalous trichromatism.
1946 W. D. Wright Res. Normal & Defective Colour Vision xxiv. 297 Anomalous trichromatism is subdivided into three corresponding groups—protanomaly, deuteranomaly and tritanomaly.
1956 Jrnl. Optical Soc. Amer. 46 1075/1 The commonest form of aberrant color vision, namely anomalous trichromatism.
triˈchromatist n. one who uses (only) three different colours or pigments.
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the world > matter > colour > variegation > [noun] > three colours > one who uses
trichromatist1854
1854 Blackwood's Edinb. Mag. 76 330 With the unsparing use of these three unmitigated colours only..decorators..should style themselves Trichromatists [not Polychromatists].
This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2020).
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adj.1854