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hydroxyl group

American  

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.


Etymology

Origin of hydroxyl group

First recorded in 1880–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

During this process, the hydroxyl group of one monosaccharide combines with the hydrogen of another monosaccharide, releasing a molecule of water and forming a covalent bond.

From Textbooks Jun. 9, 2022

Sodium or potassium dissolves in them with the formation of alcoholates, the hydrogen of the hydroxyl group being replaced by the metal.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

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