a character conveying the lexical meaning of a logogram | a univalent chemical radical derived from ethylene |
(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 | |