释义 |
ret·ro·gra·da·tion \ˌre.trōgrāˈdāshən sometimes ˌrē.t-\ noun Etymology: Late Latin retrogradation-, retrogradatio, from Latin retrogradare to retrograde (from retrogradus retrograde) + -ation-, -atio -ation : the act or process of retrograding: as a. : regression 3 b. : a step-by-step reexamination of an investigation or argument backward from the conclusion to the first fact or premise c. : a backward movement : retreat < the retrogradation of a coastline > d. : retrogression 2 e. : reversal of a fluid colloidal solution to an insoluble or gelled state on standing or on cooking — used especially of starch solutions |