1. hydroxyl

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

Rhymes with Hydroxyl Radical

2. radical

adjective. ['ˈrædɪkəl'] (used of opinions and actions) far beyond the norm.

3. radical

noun. ['ˈrædɪkəl'] (chemistry) two or more atoms bound together as a single unit and forming part of a molecule.

4. radical

adjective. ['ˈrædɪkəl'] markedly new or introducing radical change.

5. radical

noun. ['ˈrædɪkəl'] an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule.

6. radical

adjective. ['ˈrædɪkəl'] arising from or going to the root or source.

7. radical

noun. ['ˈrædɪkəl'] a person who has radical ideas or opinions.

8. radical

noun. ['ˈrædɪkəl'] (mathematics) a quantity expressed as the root of another quantity.

9. radical

adjective. ['ˈrædɪkəl'] especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem.

10. radical

noun. ['ˈrædɪkəl'] a character conveying the lexical meaning of a logogram.