morpheme that belongs to one or more closed classes, in a given synchronic state. (E.g.: run - in running )
The smallest contrastive unit in a semantic system, e.g., run, switch on, kick the bucket. A single concept/idea which may be expressed by a single word or a group of words.
A single unit of lexis. Sometimes called a Å‡wordÃ“, but more specific. For example, how many words is Å‡washing machineÃ“? ItÅs two if you use the word count on your computer, but it only carries one meaning. If you separate the lexeme, it loses its meaning.