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.

Word History and Origins

Origin of hydroxyl group¹

First recorded in 1880–85

Example Sentences

PVA contains the same hydroxyl groups as those found in fish antifreeze proteins.

From Popular-Science

Those four atoms are called the methyl group, and a methyl group combined with a hydroxyl group forms methyl alcohol.

From Project Gutenberg

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

From Project Gutenberg

The substitution of a hydrogen atom by the hydroxyl group generally occasions a rise in boiling-point at about 100.

From Project Gutenberg

The nitro group behaves very similarly to the hydroxyl group.

From Project Gutenberg

The hydrogen of the hydroxyl group in phenol can be replaced by metals, by alkyl groups and by acid radicals.

From Project Gutenberg