Noun
A yellowish red, crystalline substance, C20H12O5, produced by heating together phthalic anhydride and resorcin; -- so called, from the very brilliant yellowish green fluorescence of its alkaline solutions. It has acid properties, and its salts of the alkalies are known to the trade under the name of uranin.
Source: Webster's dictionaryIf there is reduced vision, fluorescein angiography can be done to see the back of the eye. Source: Internet
Nucleaic acid amplification tests (NAATs), direct fluorescein tests (DFA), and enszyme linked immunosorbent assays (ELISA) are highly sensitive tests that can identify specific pathogens present. Source: Internet
The RAF also imitated the German practice of issuing fluorescein. Source: Internet
Fluorescein dye was used to ensure that the samples were representative of the collection interval. Source: Internet