GALLEIN

gallein (countable and uncountable, plural galleins)

(organic compound) A red crystalline dyestuff obtained by heating pyrogallic acid and phthalic acid together.

• Gallien, Langlie, Nigella, galline, liangle, nigella

Source: Wiktionary

Gal"le*ïn, n. Etym: [Pyrogallol + phthaleïn.] (Chem.)

Definition: A red crystalline dyestuff, obtained by heating together pyrogallic and phthalic acids.

Source: Webster’s Unabridged Dictionary 1913 Edition

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24 February 2025

(noun) (astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)

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