fluorescein

fluo·res·ce·in  (fl-rs-n, flô-, fl-)

n.

An orange-red compound, C₂₀H₁₂O₅, that exhibits intense fluorescence in alkaline solution and is used in medicine for diagnostic purposes, in oceanography as a tracer, and as a textile dye.

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fluorescein  (fl-rs-n, flô-)

An orange-red crystalline compound that exhibits intense fluorescence in alkaline solution. It is used in medicine for diagnostic purposes, in oceanography as a tracer, and as a textile dye. Chemical formula: C₂₀H₁₂O₅.

Thesaurus

Noun

1.

fluorescein - a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed) fluoresceine, fluorescent dye, resorcinolphthalein solution - a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution; "he used a solution of peroxide and water" absorption indicator - an indicator used in reactions that involve precipitation dye, dyestuff - a usually soluble substance for staining or coloring e.g. fabrics or hair bromeosin, eosin - a red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures