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hydroxyl

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
hy·drox·yl  (h-drksl)
n.
The univalent radical or group OH, a characteristic component of bases, certain acids, phenols, alcohols, carboxylic and sulfonic acids, and amphoteric compounds.
[hydr(o)- + ox(ygen) + -yl.]
hydrox·ylic (hdrk-slk) adj.
hydroxyl [haɪˈdrɒksɪl]
n
(Chemistry) (modifier) of, consisting of, or containing the monovalent group -OH or the ion OH- a hydroxyl group or radical
hydroxylic  adj
hydroxyl  (h-drksl)
The group OH. Hydroxyl is present in bases, certain acids, hydroxides, and alcohols.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.hydroxyl - the monovalent group -OH in such compounds as bases and some acids and alcohols
hydroxyl group, hydroxyl radical
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
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Water on the moon means molecules of water and hydroxyl that interact with molecules of rock and dust specifically in the top millimeters of the moon's surface," he added.
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The UV light stimulated chemical reactions, just as sunlight would, and the hydrogen peroxide served as a source of hydroxyl radicals--highly reactive compounds known as "the detergent of the atmosphere," Paulot says.
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Moisturizers containing alpha hydroxyl acids work extremely well with those with scaly and dry skin.
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