Link Centre Dictionary

resorcinolphthalein

re·sor·ci·nolphthalein

uncommon

noun

1.

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)

Synonyms

Origin

From resorcinol + phthalein.

Related words

Broader terms

Narrower terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.