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retrogradatory

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ret⋅ro⋅gra⋅da⋅tion

[re-troh-grey-dey-shuhn]
–noun
1. backward movement.
2. decline or deterioration.

Origin:
1545–55; < LL retrōgradātiōn- (s. of retrōgradātiō), prob. equiv. to L retrōgrad(us) retrograde + -ātiō -ation, as trans. of Gk anapodismós


ret⋅ro⋅gra⋅da⋅to⋅ry [re-truh-grey-duh-tawr-ee, -tohr-ee] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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