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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

When a polynucleotide is formed, the 5′ phosphate of the incoming nucleotide attaches to the 3′ hydroxyl group at the end of the growing chain.

From Textbooks ● Jun. 9, 2022

Alcohols are classified on two distinct principles, one depending upon the number of hydroxyl groups present, the other on the nature of the remaining groups attached to the carbon atom which carries the hydroxyl group.

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

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