catagenesis

[ kat-uh-jen-uh-sis ]
/ ˌkæt əˈdʒɛn ə sɪs /

noun Biology.

the retrogressive evolution of a species.Compare anagenesis (def. 1).

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Origin of catagenesis

First recorded in 1880–85; cata- + genesis

OTHER WORDS FROM catagenesis

cat·a·ge·net·ic [kat-uh-juh-net-ik], /ˌkæt ə dʒəˈnɛt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for catagenesis

catagenesis
[ kăt′ə-jĕnĭ-sĭs ]

n.

involution
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.