1. hydroxyl

noun. the monovalent group -OH in such compounds as bases and some acids and alcohols.


  • hydroxyl radical
  • chemical group
  • radical
  • hydroxyl group


  • old
  • incidental
  • cauline

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Sentences with hydroxyl

1. Noun, singular or mass
Also, what if more than one hydroxyl group is present?

2. Adjective
Cholesterol’s hydroxyl group can attach to the phosphate head, while its hydrocarbons connect to the phospholipid’s fatty acids.

3. Verb, base form
pH is a relative measure of hydrogen to hydroxyl ions.