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[nahy-truh-fee-nawl, -nol]
See more synonyms for nitrophenol on Thesaurus.com
noun Chemistry.
  1. any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
  2. any of three water-soluble, crystalline isomers of such a derivative, having the formula C6H5NO3, occurring in yellow (ortho-nitrophenol), pale-yellow (meta-nitrophenol), and yellowish (para-nitrophenol) solids, used chiefly as intermediates in organic synthesis and as indicators.
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Origin of nitrophenol

First recorded in 1850–55; nitro- + phenol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018