1. Of or relating to or constituting a linguistic root Adjective
2. 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 Adjective
3. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule Noun
4. 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 Noun
5. A person who has radical ideas or opinions Noun
6. (mathematics) a quantity expressed as the root of another quantity Noun
7. A character conveying the lexical meaning of a logogram Noun
8. (linguistics) the form of a word after all affixes are removed Noun
9. (used of opinions and actions) far beyond the norm Adjective Satellite
10. Markedly new or introducing radical change Adjective Satellite
11. Arising from or going to the root or source Adjective Satellite