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单词 subtractive
释义 sub·trac·tive
\-ktiv, -ktēv also -ktəv\ adjective
1. : tending to subtract : constituting or involving subtraction
 < a subtractive error in spelling >
 < a subtractive correction >
2. : formed by absorption of light passing through component colorants in turn — see subtractive primary
3.
 a. : being or relating to a process of reducing each of the densities of a photographic image by an approximately constant amount
 b. : of or relating to the controlled mixing or superposition of several colored substances (as dyes or pigments) that selectively absorb and transmit or reflect light to form a colored positive photographic image
  < a subtractive process >
  — compare additive 5
sub·trac·tive·ly \-ktə̇vlē, -li\ adverb
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更新时间:2026/6/3 6:46:16