opponency

Opponency — Op*po nen*cy, n. The act of opening an academical disputation; the proposition of objections to a tenet, as an exercise for a degree. [Eng.] Todd. [1913 Webster] …   The Collaborative International Dictionary of English

opponency — [ə pō′nən sē] n. opposition; resistance …   English World dictionary

opponency — /euh poh neuhn see/, n. 1. an act or instance of opposing. 2. the state of being an opponent. [1720 30; OPPON(ENT) + ENCY] * * * …   Universalium

opponency — É™ pəʊnÉ™nsɪ n. opposition, rivalry …   English contemporary dictionary

opponency — op·po·nen·cy …   English syllables

opponency — /əˈpoʊnənsi/ (say uh pohnuhnsee) noun 1. the act of opposing. 2. the state of being an opponent …   Australian English dictionary

opponency — əˈpōnənsē noun ( es) Etymology: opponent (II) + cy 1. : opposition, antagonism 2. archaic …   Useful english dictionary

Natural Color System — The NCS color model is based on the three pairs of elementary colors (white–black, green–red, and yellow–blue), as defined by color opponency. It is not possible to describe the perceptual appearance of these colors in terms of the perceptual… …   Wikipedia

Opponent process — For the universal psychological and neurological model, see opponent process theory. Opponent colors based on experiment. Deuteranopes see little difference between the two colors in the central column. The color opponent process is a color… …   Wikipedia

Color constancy — Color constancy: The colors of a hot air balloon are recognized as being the same in sun and shade …   Wikipedia

Color vision — White light shone onto a green surface is perceived as green by the human eye, and processed as such in the brain s visual cortex …   Wikipedia