Gallein Definition
galēin, galēn
noun
A violet dye, C20H12O7, formed by heating pyrogallol with phthalic anhydride, used as an indicator and as a mordant dye.
Webster's New World
(organic chemistry) A red crystalline dyestuff obtained by heating pyrogallic acid and phthalic acid together.
Wiktionary
Origin of Gallein
-
From pyrogallol and phthalein.
From Wiktionary
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