PYROGALLOL


Meaning of PYROGALLOL in English

n.

Pronunciation: ˌ p ī -r ō - ' ga- ˌ lo ̇ l, - ˌ l ō l; - ' go ̇ -

Function: noun

Etymology: International Scientific Vocabulary pyro- + gall ic (acid) + 1 -ol

Date: 1869

: a poisonous bitter crystalline phenol C 6 H 6 O 3 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)

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.