Hydroxyl meaning

hī-drŏksĭl
The univalent group OH, a characteristic component of bases, certain acids, phenols, alcohols, carboxylic and sulfonic acids, and amphoteric compounds.
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The monovalent radical OH, present in all hydroxides.
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The group OH. Hydroxyl is present in bases, certain acids, hydroxides, and alcohols.
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A negative ion formed by the attachment of an oxygen (O) atom and a hydrogen (H) atom.
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In telecommunications, hydroxyl ions are a contaminant introduced into the single-mode optical fiber (SMF) during the manufacturing process.The hydroxyl ions cause water peak attenuation in several wavelength windows, rendering them unusable, which has considerable implications for high speed fiber optics transmission systems (FOTS) employing coarse wavelength division multiplexing (CWDM). See also attenuation, CWDM, FOTS, ion, SMF, water peak, wavelength, and window.
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(chemistry) A univalent radical or functional group (–OH) in organic chemistry; present in alcohols, phenols, carboxylic acids and certain other classes of compounds.
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Origin of hydroxyl

  • hydr(o)– ox(ygen) –yl

    From American Heritage Dictionary of the English Language, 5th Edition