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English word
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun pyrogallol has 1 sense
- pyrogallol(n = noun.substance) pyrogallic acid - a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer; is a kind of phenol
Derived form adjective pyrogallic1
CIDE DICTIONARY
pyrogallol, n. [Pyrogallic + -ol.].
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. [1913 Webster]