hydroxyl

or hy·drox·y

[ hahy-drok-suhl ]

adjective

1. containing the hydroxyl group.

hydroxyl

/ haɪˈdrɒksɪl /

noun

1. modifier of, consisting of, or containing the monovalent group -OH or the ion OH ^–

   a hydroxyl group or radical

hydroxyl

/ hī-drŏk′sĭl /

1. The group OH. Hydroxyl is present in bases, certain acids, hydroxides, and alcohols.

Derived Forms

• ˌhydroxˈylic, adjective

Other Words From

• hy·drox·yl·ic [hahy-drok-, sil, -ik], adjective

Word History and Origins

Origin of hydroxyl¹

First recorded in 1865–70; hydr- ² + ox(y)- ² + -yl

Example Sentences

The third acid group of the citric acid then reacts with the hydroxyl group on the same molecule.

From Science Daily

"This incision by ERCC1-XPF creates a markable free hydroxyl group in the DNA, enabling us to sequence DNA and locate these breaks," explains Dr. Son.

From Science Daily

"In nature, the feldspar surface is also covered with such a hydroxyl layer."

From Science Daily

No one looked at what happens if the olefin reacts with ozone instead of hydroxyl radicals, he says.

From Science Magazine

That’s because hydrogen reacts with and depletes hydroxyl radicals, chemical species in the atmosphere that play a key role in breaking down methane.

From Science Magazine