We found 4 dictionaries that define the word hydroxyl groups:

General (2 matching dictionaries)

1. hydroxyl groups: Vocabulary.com
2. Hydroxyl groups: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

3. Hydroxyl groups: Encyclopedia

Medicine (1 matching dictionary)

4. Hydroxyl groups: Medical dictionary

(Note: See hydroxyl_group as well.)

Definitions from WordNet (hydroxyl group) ▸ noun:  the monovalent group -OH in such compounds as bases and some acids and alcohols ▸ Also see hydroxyl_group ▸ Words similar to hydroxyl groups ▸ Usage examples for hydroxyl groups ▸ Idioms related to hydroxyl groups ▸ Wikipedia articles (New!) ▸ Words that often appear near hydroxyl groups ▸ Rhymes of hydroxyl groups ▸ Invented words related to hydroxyl groups