Retrogression Re`tro*gres"sion, n. [Cf. F. r['e]trogression. See {Retrograde}, and cf. {Digression}.] 1. The act of retrograding, or going backward; retrogradation. [1913 Webster]

2. (Biol.) Backward development; a passing from a higher to a lower state of organization or structure, as when an animal, approaching maturity, becomes less highly organized than would be expected from its earlier stages or known relationship. Called also {retrograde development}, and {regressive metamorphism}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • rétrogression — [ retrɔgresjɔ̃ ] n. f. • 1836; de rétro et lat. gressus, d apr. progression ♦ Didact. Mouvement, marche en arrière. ⇒ recul, rétrogradation. ⊗ CONTR. Progression. ● rétrogression nom féminin Mouvement en arrière. ⇒RÉTROGRESSION, subst. fém. A.… …   Encyclopédie Universelle

  • retrogression — index decline, degradation, deterioration, lapse (expiration), recidivism, reconversion, relapse …   Law dictionary

  • retrogression — (n.) 1640s, formed on model of progression from L. retrogressus, pp. of retrogradi move backward (see RETROGRADE (Cf. retrograde)) …   Etymology dictionary

  • retrogression — [re΄trə gresh′ən] n. 1. any retrogressing 2. Biol. a return to a lower, less complex stage or state; degeneration …   English World dictionary

  • retrogression — [[t]re̱trəgre̱ʃ(ə)n[/t]] N UNCOUNT: also a N Retrogression means moving back to an earlier and less efficient stage of development. [FORMAL] There has been a retrogression in the field of human rights since 1975. Syn: regression …   English dictionary

  • retrogression — noun Date: 1604 1. regression 3 2. return to a former and less complex level of development or organization …   New Collegiate Dictionary

  • retrogression — /re treuh gresh euhn/, n. 1. the act of retrogressing; movement backward. 2. Biol. degeneration; retrograde metamorphosis; passing from a more complex to a simpler structure. [1640 50; < L retrogress(us) (see RETROGRESS) + ION] * * * …   Universalium

  • retrogression — noun a) A deterioration or decline to a previous state b) A return to a less complex condition See Also: retrogressive …   Wiktionary

  • retrogression — SYN: cataplasia. [L. retrogressus fr. retrogradior, to go backwards] * * * ret·ro·gres·sion .re trə gresh ən n a reversal in development or condition: as a) return to a former and less complex level of development or organization b) subsidence or …   Medical dictionary

  • rétrogression — (ré tro grè ssion) s. f. 1°   Néologisme. Mouvement en arrière. 2°   Se dit d une figure de rhétorique plus généralement appelée réversion. ÉTYMOLOGIE    Lat. retro, en arrière, et gressus, pas …   Dictionnaire de la Langue Française d'Émile Littré

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”