ALL meanings of fluorescein
fluo·res·ce·in
F f - noun fluorescein an orange-red, crystalline, water-insoluble solid, C 20 H 12 O 5 , that in alkaline solutions produces an orange color and an intense green fluorescence: used to trace subterranean waters and in dyes. 1
- noun fluorescein An orange dye with a yellowish-green fluorescence, used as an indicator and tracer. 1
- noun fluorescein (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. 0
- noun fluorescein an orange-red crystalline compound that in aqueous solution exhibits a greenish-yellow fluorescence in reflected light and is reddish-orange in transmitted light: used as a marker in sea water and as an indicator. Formula: C20H12O5 0
- noun fluorescein a yellowish-red, crystalline compound, C20H12O5, made synthetically from resorcinol and phthalic anhydride: a dilute alkaline solution appears green by reflected light and red by transmitted light: used as a textile dye, a liquid coloring, and, in medicine, an intravenous diagnostic aid 0