The example provided by the uses of trichromacy is thus also an excellent model — within this larger object, color — of eighteenth-century interaction between practice and theory.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

It is called trichromacy, because it depends on three types of light - activated pigments in the retina of the eye.    From Wordnik.com.  [Scientific American] Reference

This property of human vision, called trichromacy, arises because the retina the layer of nerve cells in the eye that captures light and transmits visual information to the brain uses only three types of light-absorbing pigments for color vision.    From Wordnik.com.  [Scientific American] Reference

In this determination to refine the practical details of trichromacy, Quemiset's work is again typical.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

Practical realities underlying the ideal of trichromacy and the creation of black and white limited the use of practices in the explanation of theories.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

Small bodies associate to make a new color. reference For Le Blon, Newton's description affirmed practical understanding of color mixing and trichromacy.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

The notion of primitive or primary colors that accompanied descriptions of trichromacy was derived from practice but it connected those practices to older traditions.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

The result casts some typical ideas of his time, notably the emphasis on trichromacy and the description of vision, into a new vocabulary without accompanying conceptual changes.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

In the eighteenth century, without losing its original value to practical applications, philosophical experiments with red-yellow-blue trichromacy absorbed practices as its model.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

He used specific painting and engraving techniques to prepare three plates according to doctrines of trichromacy that were proved by Newton and supported more generally by mechanical philosophy.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

Le Blon's woven-picture industry would call on the same principles as did his picture-printing — blending primary colors — and give to tapestry the notion of color-mixing that was prominent in the idea of trichromacy.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

It seems, then, that primate trichromacy is unusual.    From Wordnik.com.  [Scientific American] Reference

Although trichromacy is common among primates, it is not universal in the animal kingdom.    From Wordnik.com.  [Scientific American] Reference

Like close to 6% of males, I suffer from anomalous trichromacy, also known as red-green colorblindness.    From Wordnik.com.  [Security Guru Launches iPhone App To Hack Colorblindness - Andy Greenberg - The Firewall - Forbes] Reference

One consequence of trichromacy is that computer and television displays can mix red, green and blue pixels to generate what we perceive as a full spectrum of color.    From Wordnik.com.  [Scientific American] Reference

Analyses of the genes for those pigments give clues to how trichromacy evolved from the color vision of nonprimate mammals, which have only two kinds of photo pigments.    From Wordnik.com.  [Scientific American] Reference

I have an anomalous trichromacy color vision deficiency (I’m green-red color blind).    From Wordnik.com.  [Colorblind Gaming (Updated) « Become A Robot] Reference