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  • word of the day

    visual purple

    visual purple - 365bet中国官方网站 definition and meaning for word visual purple

    Definition
    (noun) a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
    Synonyms : retinal purple , rhodopsin

  • Word used in video below:
    text: we've lost visual contact with the
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