trichromacy

[/traɪˈkroʊməsi/]
nounpl: trichromacies
tricromacia
1. The ability to perceive three primary colors, particularly red, green, and blue; a type of color vision found in humans and some other animals with three types of color receptors (cones) in the retina
Human trichromacy allows us to distinguish millions of different colors through the combination of signals from three cone cell types.
A tricromacia humana nos permite distinguir milhões de cores diferentes através da combinação de sinais de três tipos de células cone.
2. In vision science, the condition of having three independent channels of color information in the visual system
Most primates possess trichromacy, giving them excellent color discrimination abilities.
A maioria dos primatas possui tricromacia, dando-lhes excelentes capacidades de discriminação de cores.
Trichromacy is a technical term primarily used in scientific and medical contexts, particularly in ophthalmology, neuroscience, and vision research. It gained increased public awareness with discussions about tetrachromacy (four-color vision) in humans. The term reflects human biological superiority in color vision compared to many other mammals, contributing to humanity's evolutionary success in visual perception and color-based communication.
Synonyms / Sinônimos
trichromatic visiontrichromatismthree-color vision
Antonyms / Antônimos
monochromacydichromacycolor blindness

Regional Variations

General Brazilian Portuguese
tricromacia
Standard scientific term used in vision science and biology textbooks
Portugal
tricromacia
Same usage as Brazilian Portuguese; technical term in vision research
English (USA)
trichromacy
Preferred term in modern color vision science and neuroscience
English (UK)
trichromacy or trichromatism
Both terms are used interchangeably in British scientific literature

Related Words

trichromattrichromaticcone cellscolor perceptiondichromacymonochromacyretinaphotoreceptor
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