| 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 |