Definitions

from The Century Dictionary.

  • noun A red pigment found in the retinal cones of the eyes of certain fishes, reptiles, and birds. The pigment is held in solution by a fatty body.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physiol.) The red pigment contained in the inner segments of the cones of the retina in animals. See chromophane.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry The red pigment in the inner segments of the cones of the retina in animals.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek rose + to show.

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Examples

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