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Etymology

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From fluoresce +‎ -in.

Noun

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fluorescein (plural fluoresceins)

  1. (organic chemistry) Any of a class of yellow xanthene dyes which are visible when highly diluted; used forensically to detect traces of blood, and in analytical chemistry as an indicator in silver nitrate titrations
    Synonym: resorcinolphthalein

Derived terms

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Translations

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