Pronunciation · Spelling · Definition
How to say: retrogression
Spelling:
Retrogression
Syllables
retrogression
US accent
/ɹˌɛtɹoʊɡɹˈɛʃən/
UK accent
/ɹˌɛtɹəʊɡɹˈɛʃən/
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Definition
Definition — passing from a more complex to a simpler biological form