a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential | a character conveying the lexical meaning of a logogram |
| (linguistics) the form of a word after all affixes are removed |
| a person who has radical ideas or opinions |
| (mathematics) a quantity expressed as the root of another quantity |
| (chemistry) two or more atoms bound together as a single unit and forming part of a molecule |
| 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 |