单词 | subtractive |
释义 | subtract /səb-traktˈ/transitive verb
ORIGIN: L sub- (in the sense of away), and trahēre, tractum to draw subtractˈer noun (computing) A device performing subtraction using digital signals subtracˈtion noun
subtractˈive adjective
subtractˈor noun A light filter to eliminate a particular colour subtractive process noun (image technol) The basis of all modern colour photography and colour printing, in which the red, green and blue components of a subject are reproduced as separate images in complementary or subtractive colours, ie cyan, magenta and yellow, which are superimposed to produce the final print |
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