visual purple
noun Date: 1878 a photosensitive red or purple pigment in the retinal rods of various vertebrates; especially rhodopsin

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Visual purple — Visual Vis u*al, a. [L. visualis, from visus a seeing, sight: cf. F. visuel. See {Vision}.] 1. Of or pertaining to sight; used in sight; serving as the instrument of seeing; as, the visual nerve. [1913 Webster] The air, Nowhere so clear,… …   The Collaborative International Dictionary of English

  • visual purple — n RHODOPSIN * * * see rhodopsin * * * rhodopsin …   Medical dictionary

  • visual purple — n. RHODOPSIN …   English World dictionary

  • visual purple — noun a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light • Syn: ↑rhodopsin, ↑retinal purple • Hypernyms: ↑photopigment • Part Holonyms: ↑rod, ↑rod cell, ↑ …   Useful english dictionary

  • visual purple — See rhodopsin …   Dictionary of molecular biology

  • visual purple — Biochem. rhodopsin. [1895 1900] * * * …   Universalium

  • visual purple — noun The pigment rhodopsin …   Wiktionary

  • visual purple — noun another term for rhodopsin …   English new terms dictionary

  • visual purple — see rhodopsin …   The new mediacal dictionary

  • visual purple — vis′ual pur′ple n. rhodopsin • Etymology: 1895–1900 …   From formal English to slang

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