Pyrocatechol definition

pīrō-kătĭ-kôl, -kŏl, -kōl
A biologically important phenol, C6 H6 O2 , having two hydroxyl groups attached to the benzene ring, used in dyeing, tanning, photography, and as an antiseptic.
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A white, crystalline phenol, C6H4(OH)2, occurring naturally in plants and now usually produced synthetically: used as an antiseptic, as a photographic developer, etc.
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(organic chemistry) A dihydric phenol, benzene-1,2-diol, present in some tars.
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Other Word Forms

Noun

Singular:
pyrocatechol
Plural:
pyrocatechols