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hydroxyl group

noun
1.
the univalent group –OH, as in inorganic compounds, such as sodium hydroxide, NaOH, or as in organic compounds, such as ethyl alcohol, C 2 H 6 O.
Also called hydroxyl radical.
Origin
1880-1885
1880-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hydroxyl group
  • Phenols are a group of aromatic chemicals containing one phenyl ring with an attached hydroxyl group.

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