a genetic shift in timing of the development of a tissue or anatomical part, or in the onset of a physiological process, relative to an ancestor.
Origin of heterochrony
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for heterochronic
Historical Examples of heterochronic
Independent variability of the stages (heterochronic variability), 403.
Heterochronic variability is not explained by assuming a phyletic vital force, 410.