hydroxyl group



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

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. 2019

Examples from the Web for hydroxyl group

  • Now these phenols are all more or less acid in character by virtue of the hydroxyl-group which they contain.

    Coal|Raphael Meldola