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  • word of the day

    retinal purple

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

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

  • Word used in video below:
    text: what else is purple it's a purple train
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