Pyrogallol

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A poisonous trihydroxy phenol, 1,2,3-trihydroxybenzene, C₆H₃(OH)₃, used as a photographic developer. uncountable
2
a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer wordnet

Synonyms

pyrogallic acid pyrogallic acid trihydroxybenzene

Etymology

From pyro- + gallic + -ol.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.