Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several colouring matters, red, green, yellow, etc., present in the inner segments in the cones of the retina, held in solution by fats, and slowly decolorized by light; distinct from the photochemical pigments of the rods of the retina.

from the GNU version of the Collaborative International Dictionary of English

  • n. A general name for the several coloring matters, red, green, yellow, etc., present in the inner segments in the cones of the retina, held in solution by fats, and slowly decolorized by light; distinct from the photochemical pigments of the rods of the retina.

Etymologies

Ancient Greek colour + to show. (Wiktionary)

Examples

Sorry, no example sentences found.

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