retrogradation

n. 逆行, 退化, 倒退 [机] 退减作用

词形变化

retrogradations 复数 retrogradations

释义与例句

n.
  1. 1.

    Motion in a retrograde manner.

    可数 不可数
  2. 2.

    Decline, degradation.

    可数 不可数
  3. 3.

    A reaction that takes place in gelatinized starch when the amylose and amylopectin chains realign themselves, largely responsible for bread becoming stale.

    可数 不可数 化学

    The major reason that bread stales is not moisture loss, but rather a process called retrogradation, in which the starch molecules in the bread crystallize.

词源

From retrograde + -ation.

来源：wiktionary