trichromic, a.
(traɪˈkrəʊmɪk)
[f. Gr. τρι- tri- + χρῶµα colour + -ic: cf. dichromic.]
Three-coloured, three-colour; = trichromatic.
In quot. 1900 applied to abnormal vision in which only three different colours are perceived.
| 1881 Le Conte Sight 63 Herschel regarded normal vision as trichromic. 1897 Daily News 6 Jan. 3/3 By the method of trichromic photography..the colours of natural objects were shown. 1900 Edridge-Green in Lancet 4 Aug. 323/1 A person whose colour vision is trichromic may see a spectrum of the same length as the normal-sighted, but he sees only three colours—red, green, and violet. |