0 movement in a direction that is, or seems to be, the opposite to that of most other stars, planets, etc. :
1 a reaction in which the structure of starch (= a white substance that exists in large amounts in, for example, potatoes and rice) changes when it cools after being cooked :
Add to that volcanic eruptions that coincide with the retrogradation of the sun, and we could get a global cooling.
Because of the upcoming retrogradation of the sun around the barycentre, she says we can expect to encounter climatic extremes.
In a systematic astronomy, retrogradations become part of the conceptual structure of the system.
As soon as bread is cooked and has cooled it begins to go stale. This is caused by a breakdown in the gel structure called retrogradation.
When steamed Chinese manju are cooled or frozen, they often become hard due to retrogradation of gelatinized starch.
Hardening or loss of flexibility of tortillas is believed to be due to a physico-chemical change in the starch constituent of tortillas which is known as retrogradation.
