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单词 orcinol
释义

WordReference Random House Unabridged Dictionary of American English © 2024
or•ci•nol  (ôrsə nôl′, -nol′),USA pronunciation n. [Chem.]
  1. Chemistrya white, crystalline, water-soluble solid, C7H8O2, sweet but unpleasant in taste, that reddens on exposure to air: obtained from many lichens or produced synthetically and used chiefly as a reagent for certain carbohydrates.
Also, or•cin (ôrsin).USA pronunciation 
  • Italian orcello orchil, by alteration) + -ol2
  • Neo-Latin orcin(a) (
  • 1875–80

Collins Concise English Dictionary © HarperCollins Publishers::
orcinol /ˈɔːsɪˌnɒl/, orcin /ˈɔːsɪn/ n
  1. a colourless crystalline water-soluble solid that occurs in many lichens and from which the dyes found in litmus are derived. Formula: CH3C6H3(OH)2
Etymology: 20th Century: from New Latin orcina, from Italian orcello orchil
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