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单词 trichromasy
释义 trichromasy Ophthalm.|traɪˈkrəʊməsɪ|
Also -chromacy.
[f. tri- + Gr. χρῶµα colour: see -y3.]
Colour vision in which three pure colours, in different combinations, are required to match all the colours that can be perceived (as in normal vision).
1911Amer. Jrnl. Psychol. XXII. 371 Guttmann..identifies color-weakness with anomalous trichromacy.1923Proc. R. Soc. CII. 359 Trichromasy, in my experience, seems to approach monochromasy directly without passing through dichromasy as an intermediate stage.1973[see protanomaly].1980Nature 27 Mar. 306/1 Our trichromacy has a ‘blue’ channel that is about 100 times less sensitive than the ‘red’ and ‘green’ channels.
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