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单词 hydroxyl
释义

hydroxyl

/hʌɪˈdrɒksʌɪl / /hʌɪˈdrɒksɪl /
noun [as modifier] Chemistry
Of or denoting the radical —OH, present in alcohols and many other organic compounds: a hydroxyl group...
  • Phenols are a subgroup of alcohol in which the hydroxyl groups are attached directly to the carbon atoms of a ring structure.
  • The carbonyl group can be broken down by the action of hydrogen cyanide; a hydroxyl group and a nitrile group are formed in this reaction.
  • In the atmosphere the hydroxyl radicals oxidise nitrates to form ozone.

Origin

Mid 19th century: from a blend of hydrogen and oxygen, + -yl.

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更新时间:2025/1/13 4:26:36