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Webster 1913 Edition


Hydroxyl

Hy-drox′yl

,
Noun.
[
Hydro-
, 2 +
ox
ygen +
-yl
.]
(Chem.)
A compound radical, or unsaturated group,
HO
, consisting of one atom of hydrogen and one of oxygen. It is a characteristic part of the hydrates, the alcohols, the oxygen acids, etc.

Definition 2021


hydroxyl

hydroxyl

English

Noun

hydroxyl (plural hydroxyls)

  1. (chemistry) A univalent radical or functional group (–OH) in organic chemistry; present in alcohols, phenols, carboxylic acids and certain other classes of compounds.

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