Lexis (linguistics)

In linguistics, the term lexis (from Ancient Greek: λέξις 'word') designates the complete set of all possible words in a language, or a particular subset of words that are grouped by some specific linguistic criteria. For example, the general term English lexis refers to all words of the English language,[1] while more specific term English religious lexis refers to a particular subset within English lexis, encompassing only words that are semantically related to the religious sphere of life.[2]

In systemic-functional linguistics, a lexis or lexical item is the way one calls a particular thing or a type of phenomenon. Since a lexis from a systemic-functional perspective is a way of calling, it can be realised by multiple grammatical words such as "The White House", "New York City" or "heart attack". Moreover, since a lexis is a way of calling, different words such as child, children, child's and children's may realise the same lexical item.


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