Utterance does not have a precise linguistic definition. Phonetically an utterance is a unit of speech bounded by silence. In dialogue, each turn by a speaker may be considered an utterance.
Linguists sometimes use utterance to simply refer to a unit of speech under study. The corresponding unit in written language is text .
This page is an extract from the LinguaLinks Library. Version 5.0 published on CD-ROM by SIL International, 2003.