Also found in: Thesaurus, Medical, Legal, Encyclopedia.
Related to Haeckel's law: recapitulation theory, law of recapitulation, Ontogeny recapitulates phylogeny
See biogenetic law.
[After Ernst Heinrich Haeckel.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.