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hydroxyl

American  
[hahy-drok-suhl] / haɪˈdrɒk səl /
Or hydroxy

adjective

  1. containing the hydroxyl group.


hydroxyl British  
/ haɪˈdrɒksɪl /

noun

  1. (modifier) of, consisting of, or containing the monovalent group -OH or the ion OH

    a hydroxyl group or radical

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hydroxyl Scientific  
/ hī-drŏksĭl /
  1. The group OH. Hydroxyl is present in bases, certain acids, hydroxides, and alcohols.


Other Word Forms

  • hydroxylic adjective

Etymology

Origin of hydroxyl

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

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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.

Throughout the process, Huml also uses a variety of machines to clean the air, including air scrubbers, deodorizing hydroxyl generators and negative air machines that clean the air and push it outside.

From Los Angeles Times

This is because hydroxyl radicals form in the atmosphere close to the ground during the day when the sun shines.

From Science Daily

This is because iron and H₂O₂ react in what's known as the Fenton reaction, producing hydroxyl radicals, destructive molecules that attack DNA and RNA indiscriminately.

From Science Daily

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