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pyrocatechol Definition

pyro·cat·echol (pī′rō kat′ə c̸hôl′, -c̸hōl′, -kôl′, -kōl′)

noun

a white, crystalline phenol, CH(OH), occurring naturally in plants and now usually produced synthetically: used as an antiseptic, as a photographic developer, etc.

Etymology: pyro- + catech(u) + -ol