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iodopsin

[ ahy-uh-dop-sin ]
/ ˌaɪ əˈdɒp sɪn /
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noun Biochemistry.
a photosensitive violet pigment that occurs in the cones of the retina and is transformed by light into retinal and an opsin protein.
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Compare rhodopsin.

Origin of iodopsin

1935–40; <Greek īṓd(ēs) taken as derivative of íon violet (see iodine) + opsin, on the pattern of rhodopsin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for iodopsin

iodopsin
/ (ˌaɪəˈdɒpsɪn) /

noun
a violet light-sensitive pigment in the cones of the retina of the eye that is responsible for colour visionAlso called: visual violet See also rhodopsin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for iodopsin

iodopsin
[ ī′ə-dŏpsĭn ]

n.
A violet, light-sensitive visual pigment found in the cones of the retina.visual violet
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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