- Physics. Also i·so·chor. Also called isometric, isometric line. for a given substance, a curve graphing temperature against pressure, when the volume of the substance is held constant.
- Genetics. a large stretch of DNA with a high degree of uniformity in its base pairs.
Origin of isochore
iso- + -chor < Greek chṓra place, land
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018