| Pronunciation: | | r'etunul
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 WordNet Dictionary |
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| | Definition: | |
- [n] either of two yellow to red retinal pigments formed from Rhodopsin by the action of light
- [adj] in or relating to the retina of the eye; "retinal cells"
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RETINAL is a 7 letter word that starts with R. |
| | Synonyms: | | retinene |
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| | See Also: | | pigment, retinal purple, rhodopsin, visual purple |
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| Webster's 1913 Dictionary |
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| | Definition: | | \Ret"i*nal\, a. (Anat.)
Of or pertaining to the retina.
{Retinal purple} (Physiol. Chem.), the visual purple.
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