retrogradation
Americannoun
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backward movement.
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decline or deterioration.
Other Word Forms
Derived Forms
Etymology
Origin of retrogradation
1545–55; < Late Latin retrōgradātiōn- (stem of retrōgradātiō ), probably equivalent to Latin retrōgrad ( us ) retrograde + -ātiō -ation, as translation of Greek anapodismós
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The retrogradation of wheat starch in bread is responsible for staling.
From New York Times • Aug. 6, 2016
As it cools down, the starch goes through a process called retrogradation and the molecules begin to to rearrange and realign themselves into a crystalline structure again.
From Forbes • Nov. 23, 2011
The acetates of hydrolysed celluloses manifest a retrogradation in structural and physical properties, proportioned to the degree of hydrolysis of the original.
From Researches on Cellulose 1895-1900 by Cross, C. F.
A glance at each successive pair of dates will quickly disclose the periodical retrogradation of the eclipse epochs.
From The Story of Eclipses by Chambers, George F. (George Frederick)
An apparent motion of a planet toward the west; retrogradation.
From Webster's Unabridged Dictionary by Webster, Noah
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
