| 单词 | colour weakness |
| 释义 | > as lemmascolour weakness colour weakness n. the characteristic of being colour-weak. [In quot. 1891 after German Farbenblindheit, lit. ‘colour blindness’ (C. Lucanus 1890, in Archiv f. Augenheilkunde 21 42; also used earlier: see colour blindness n.). Compare German Farbenschwäche weakness in colour vision (1879 or earlier; earlier in sense ‘paleness, lack of intensity of colour’ (mid 19th cent. or earlier)). Compare earlier colour blindness n.] ΚΠ 1891 Ann. Universal Med. Sci. 4 b21 The transition from normal color perception to typical color-blindness is first noticed in a decreasing ability to recognize violet; red follows, but to a less degree, while blue and yellow remain normal. This condition he [sc. Lucanus] terms color-weakness. 2008 Northwest Florida Daily News (Fort Walton Beach, Florida) (Nexis) 22 Oct. The light is mounted on horizontal mast arms. Motorists with color weakness should remember that the red light is on the left and the green light is on the right. < as lemmas |
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