sterile member of a colony of social insects that forages for food and cares for the larvae | a character conveying the lexical meaning of a logogram |
a person who works at a specific occupation | (linguistics) the form of a word after all affixes are removed |
a member of the working class (not necessarily employed) | a person who has radical ideas or opinions |
a person who acts and gets things done | (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 |