Pyrogallate :: Pyrogallate (n.) A salt of pyrogallic acid; an ether of pyrogallol.

Pyrogallic :: Pyrogallic (a.) Pertaining to, derived from, or designating, an acid called pyrogallol. See Pyrogallol..

Pyrogallol :: Pyrogallol (n.) A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes..

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