retrogradation

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noun ret·ro·gra·da·tion \ˌre-trō-grā-ˈdā-shən, -grə-\

Definition of retrogradation

  1. :  the action or process of retrograding

15th Century

First Known Use of retrogradation

15th century


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WORD OF THE DAY

to cast off or become cast off

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