PHTHALIN

Noun

phthalin (countable and uncountable, plural phthalins)

(chemistry) A colourless crystalline substance obtained by reduction from phthalein, into which it is easily converted by oxidation.

(chemistry) Any of the series of which phthalin proper is the type.

Source: Wiktionary

Phthal"in, n. (Chem.)

Definition: A colorless crystalline substance obtained by reduction from phthaleïn, into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the type.

Source: Webster’s Unabridged Dictionary 1913 Edition

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