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Pronunciation:  di`jenu'reyshun

WordNet Dictionary
  1. [n]  passing from a more complex to a simpler biological form
  2. [n]  the process of declining from a higher to a lower level of effective power or vitality or essential quality
  3. [n]  the state of being degenerate in mental or moral qualities

DEGENERATION is a 12 letter word that starts with D.


 Synonyms: decadence, decadency, degeneracy, devolution, retrogression
 Antonyms: development, evolution
 See Also: abasement, abiotrophy, abjection, attack, cataplasia, degradation, obsolescence, process, shift, transformation, transmutation



Webster's 1913 Dictionary
\De*gen`er*a"tion\, n. [Cf. F.
1. The act or state of growing worse, or the state of having
   become worse; decline; degradation; debasement;
   degeneracy; deterioration.

         Our degeneration and apostasy.        --Bates.

2. (Physiol.) That condition of a tissue or an organ in which
   its vitality has become either diminished or perverted; a
   substitution of a lower for a higher form of structure;
   as, fatty degeneration of the liver.

3. (Biol.) A gradual deterioration, from natural causes, of
   any class of animals or plants or any particular organ or
   organs; hereditary degradation of type.

4. The thing degenerated. [R.]

         Cockle, aracus, . . . and other degenerations. --Sir
                                               T. Browne.

{Amyloid degeneration}, {Caseous degeneration}, etc. See
   under {Amyloid}, {Caseous}, etc.

Biology Dictionary
 Definition: Degeneration is the impairment or worsening of the function of an organ.
Thesaurus Terms
 Related Terms: abandon, abandonment, abjection, about-face, accommodation, adaptation, adjustment, alteration, amelioration, apostasy, atrophy, betterment, break, change, change of heart, changeableness, closed loop, closed sequence, comedown, constructive change, continuity, conversion, corruptedness, corruption, corruptness, current-control circuit, debasement, decadence, decadency, declension, declination, decline, defection, deformation, degeneracy, degenerateness, degenerative change, degradation, demoralization, demotion, depravation, depravedness, depravity, depreciation, derogation, descent, deterioration, deviation, devolution, difference, discontinuity, dissoluteness, divergence, diversification, diversion, diversity, downfall, downgrade, downtrend, downturn, downward mobility, downward trend, drop, dying, ebb, effeteness, fading, failing, failure, failure of nerve, fall, falling-off, feedback, fitting, flip-flop, flip-flop circuit, gradual change, improvement, involution, lapse, loss of tone, melioration, mitigation, modification, modulation, moral pollution, moral turpitude, overthrow, perversion, positive feedback, process loop, profligacy, qualification, quality loop, radical change, realignment, re-creation, redesign, reform, reformation, regression, remaking, renewal, reprobacy, reshaping, restructuring, retrocession, retrogradation, retrogression, reversal, reversed feedback, revival, revivification, revolution, rottenness, shift, slippage, slump, sudden change, switch, total change, transition, turn, turnabout, turpitude, upheaval, variation, variety, violent change, wane, worsening