retrogradation

English dictionary entry

Meanings

noun
  1. Motion in a retrograde manner.
  2. Decline, degradation.
  3. A reaction that takes place in gelatinized starch when the amylose and amylopectin chains realign themselves, largely responsible for bread becoming stale.

Word forms

retrogradation retrogradations

Etymology

From retrograde + -ation.

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