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hydroxyl group

American

noun

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.

Etymology

Origin of hydroxyl group

First recorded in 1880–85

Example Sentences

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hydroxyl group

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

From Science Daily ● Nov. 15, 2024

"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 ● Mar. 12, 2024

In the end, swapping the position of a hydrogen atom and a hydroxyl group on the backbone of the molecule blocked its ability to bind to cholesterol.

From Science Magazine ● Nov. 8, 2023

Notice that glycerol gives up a hydrogen atom, and the carboxyl groups on the fatty acids each give up a hydroxyl group.

From Textbooks ● Jun. 19, 2013

They are distinguished from each other by prefixing the name of the element which is in combination with the hydroxyl group.

From An Elementary Study of Chemistry by McPherson, William

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023