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hydroxyl group

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noun
the univalent group –OH, as in inorganic compounds, such as sodium hydroxide, NaOH, or as in organic compounds, such as ethyl alcohol, C2H6O.
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Also called hydroxyl radical.

Origin of hydroxyl group

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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