fluorescein
noun
Forms fluoresceins fluoresceine
- noun (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
Synonyms
Webster’s 1913
- 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.
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “fluorescein”, CC BY-SA 4.0. Details