Definition of pyrogallol in English:

pyrogallol

Syllabification: py·ro·gal·lol
Pronunciation: /ˌpīrōˈgalˌôl, -ˌōl
 
/

noun

Chemistry
  • A weakly acid crystalline compound chiefly used as a developer in photography.
    • Alternative name: 1,3,5-trihydroxybenzene; chemical formula: C6H3(OH)3
    More example sentences
    • Catechol and pyrogallol may be substituted for hydroquinone, but are not as suitable.
    • Because of the tanning effect of catechol on emulsion gelatine, it has many of the properties of pyrogallol.
    • One unit of activity was determined as the amount of enzyme that inhibited the oxidation of pyrogallol by 50%.

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