• synonyms

hydroxyl group

  1. the univalent group –OH, as in inorganic compounds, such as sodium hydroxide, NaOH, or as in organic compounds, such as ethyl alcohol, C2H6O.
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Origin of hydroxyl group

First recorded in 1880–85
Also called hydroxyl radical.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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.


    Raphael Meldola