[ het-uh-rok-ruh-nee ]
/ ˌhɛt əˈrɒk rə ni /
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.
WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM
Think you know your presidents? Take this quiz and see if you can match the style, wit, and ideology of these memorable lines to the right POTUS.
Question 1 of 9
“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”
OTHER WORDS FROM heterochronyhet·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
Words nearby heterochrony
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Scientific definitions for heterochrony
[ hĕt′ə-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.