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fluorescein

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noun fluo·res·ce·in \-ˈre-sē-ən\

Definition of fluorescein

  1. :  a yellow or red crystalline dye C20H12O5 with a bright yellow-green fluorescence in alkaline solution



1871

First Known Use of fluorescein

1871


Medical Dictionary

fluorescein

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noun flu·o·res·ce·in \-ˈes-ē-ən\

Medical Definition of fluorescein

  1. :  a yellow or red crystalline dye C20H12O5 with a bright yellow-green fluorescence in alkaline solution that is used as the sodium salt as an aid in diagnosis (as of lesions and foreign bodies in the cornea or of brain tumors)




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