Pronunciation: (kō-hēr'uns, -her'-), [key]
1. the act or state of cohering; cohesion.
2. logical interconnection; overall sense or understandability.
3. congruity; consistency.
4. Physics, Optics.(of waves) the state of being coherent.
5. Ling.the property of unity in a written text or a segment of spoken discourse that stems from the links among its underlying ideas and from the logical organization and development of its thematic content. Cf. cohesion (def. 4). Also,co•her'en•cy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.