resorcinolphthalein

[ri-zawr-suh-nawl-thal-een, -ee-in, -fthal-, -nol-, rez-awr-]

noun Chemistry.

fluorescein.

Origin of resorcinolphthalein

resorcinol + phthalein

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018