| 单词 |
colour-blindness |
| 释义 |
ˈcolour-ˈblindness
a. The condition of being colour-blind; a visual defect, consisting in inability (greater or less) to discriminate between different colours, or shades of colour.
This optical defect was first described by Dalton in 1794 (Mem. Lit. & Phil. Soc. Manchester V. 28), and was for a considerable time known scientifically as Daltonism. The accuracy of the words colour-blind and colour-blindness has often been impugned; in scientific use achromatopsy occurs; J. Dixon Diseases of the Eye (1859) 279 suggested the term acritochromacy (ἀκριτο-χρωµατία), with its adjective acritochromatic.
1844D. Brewster in Phil. Mag. XXV. 140 We regret much that Prof. Wartmann has continued the offensive name of Daltonism in his memoir on colour blindness... We have used the word Colour blindness, because it indicates simply blindness to one or more colours. 1854Mackenzie Dis. Eye (ed. 4) 946 Colour-blindness has been detected much oftener in males than in females. 1855Bain Senses & Int. ii. ii. 3 (1864) 236 Colour-blindness has been known to exist with reference to green, but as yet, not to violet. 1876Foster Phys. (1879) iii. ii. 491 The most common form of colour-blindness is that of persons unable to distinguish green and red from each other.
b. fig.
1888Pall Mall G. 19 Dec. 4/2 The Liberal Papers, instead of imitating the political colour-blindness of the Unionists..frankly admit that black is black. 1903A. W. Patterson Schumann viii. 128 Musicians are usually accredited with a lack of the nobler feelings of generosity towards each other—that colour-blindness which can allow no rival to the ‘ego’. 1962Economist 28 Apr. 360/1 The capital's racially integrated schools provide a good example of colour-blindness. |
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