- 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. 2018
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