51�Թ�

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catagenesis

[ kat-uh-jen-uh-sis ]

Phonetic (Standard)IPA

noun

Biology.

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

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Other 51�Թ� Forms

��·��·��·�Ա��·�� [kat-, uh, -j, uh, -, net, -ik], adjective

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51�Թ� History and Origins

Origin of catagenesis¹

First recorded in 1880–85; cata- + genesis

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