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hydroxyl group

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 of hydroxyl group
1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for hydroxyl-group
Historical Examples
  • Now these phenols are all more or less acid in character by virtue of the hydroxyl-group which they contain.

    Coal Raphael Meldola

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