1 pyrogallol | Definition of pyrogallol

pyrogallol

noun
py路​ro路​gal路​lol | \ 藢p墨-r艒-藞ga-藢l券l How to pronounce pyrogallol (audio) , -藢l艒l; -藞g券- How to pronounce pyrogallol (audio) \

Definition of pyrogallol

: a poisonous bitter crystalline phenol C6H6O3 with weak acid properties that is usually obtained by pyrolysis of gallic acid and used especially as a mild reducing agent (as in photographic developing)

First Known Use of pyrogallol

1868, in the meaning defined above

History and Etymology for pyrogallol

International Scientific Vocabulary pyro- + gallic (acid) + -ol entry 1

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More Definitions for pyrogallol

pyrogallol

noun
py路​ro路​gal路​lol | \ -藞gal-藢券l How to pronounce pyrogallol (audio) , -藢艒l; -藞g券-藢l券l How to pronounce pyrogallol (audio) , -藢l艒l How to pronounce pyrogallol (audio) \

Medical Definition of pyrogallol

: a poisonous crystalline phenol C6H6O3 formerly used as a topical antimicrobial (as in the treatment of psoriasis)

More from Merriam-Webster on pyrogallol

Britannica.com: Encyclopedia article about pyrogallol