Dictionary.com

heterochrony

[ het-uh-rok-ruh-nee ]
/ ˌhɛt əˈrɒk rə ni /
Save This Word!

noun Biology.
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.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of heterochrony

1875–80; hetero- + chron- + -y3; compare German Heterochron

OTHER WORDS FROM heterochrony

het·er·o·chron·ic [het-er-uh-kron-ik], /ˌhɛt ər əˈkrɒn ɪk/, het·er·och·ro·nis·tic, het·er·och·ro·nous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

Scientific definitions for heterochrony

heterochrony
[ hĕtə-rō-krŏn′ē ]

A change in the timing or duration of an organism's ontogenetic development compared with an ancestral species, resulting in morphological differences between ancestor and descendant.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK