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单词 pyrogallol
释义

WordReference Random House Unabridged Dictionary of American English © 2024
py•ro•gal•lol  (pī′rə gal′ôl, -ol, -gə lôl′, -lol′),USA pronunciation n. 
  1. Chemistry, Drugsa white, crystalline, water-soluble, poisonous, solid, phenolic compound, C6H3(OH)3, obtained by heating gallic acid and water: used chiefly as a developer in photography, as a mordant for wool, in dyeing, and in medicine in the treatment of certain skin conditions. Also called py′rogal′lic ac′id. 
  • 1875–80; pyro- + gall(ic)2 + -ol1
py•ro•gal•lic  (pī′rə gal′ik, -gô′lik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
pyrogallol /ˌpaɪrəʊˈɡælɒl/ n
  1. a white lustrous crystalline soluble phenol with weakly acidic properties; 1,2,3-trihydroxybenzene: used as a photographic developer and for absorbing oxygen. Formula: C6H3(OH)3
Etymology: 20th Century: from pyro- + gall( ic)² + -ol1
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更新时间：2025/7/31 11:57:10