'Retardation' definitions:
Definition of 'retardation'
From: WordNet
noun
A decrease in rate of change; "the deceleration of the arms race" [syn: deceleration, slowing, retardation] [ant: acceleration]
noun
The extent to which something is delayed or held back
noun
Any agent that retards or delays or hinders; "flame- retardant" [syn: retardant, retardent, retardation]
noun
Lack of normal development of intellectual capacities [syn: retardation, mental retardation, backwardness, slowness, subnormality]
noun
Definition of 'Retardation'
From: GCIDE
- Retardation \Re`tar*da"tion\, n. [L. retardatio: cf. F. retardation.]
- 1. The act of retarding; hindrance; the act of delaying; as, the retardation of the motion of a ship; -- opposed to acceleration. [1913 Webster]
- The retardations of our fluent motion. --De Quinsey. [1913 Webster]
- 2. That which retards; an obstacle; an obstruction. [1913 Webster]
- Hills, sloughs, and other terrestrial retardations. --Sir W. Scott. [1913 Webster]
- 3. (Mus.) The keeping back of an approaching consonant chord by prolonging one or more tones of a previous chord into the intermediate chord which follows; -- differing from suspension by resolving upwards instead of downwards. [1913 Webster]
- 4. The extent to which anything is retarded; the amount of retarding or delay. [1913 Webster]
- Retardation of the tide. (a) The lunitidal interval, or the hour angle of the moon at the time of high tide any port; the interval between the transit of the moon and the time of high tide next following. (b) The age of the tide; the retard of the tide. See under Retard, n. [1913 Webster]
Synonyms of 'retardation'
From: Moby Thesaurus
- afterthought,
- amentia,
- arrest,
- arrestation,
- arrested development,
- arrestment,
- backwardness,
- bind,
- blithering idiocy,
- block,
- blockage,
- blocking,
- bureaucratic delay,
- check,
- clogging,
- closing up,
- closure,
- constraint,
- constriction,
- control,
- cooling,
- cooling down,
- cooling off,
- cramp,
- cretinism,
- curb,
- curtailment,
- deceleration,
- delay,
- delayage,
- delayed reaction,
- detainment,
- drag,
- dragging,
- ease-off,
- ease-up,
- fixation,
- flagging,
- foot-dragging,
- half-wittedness,
- halt,
- hampering,
- hang-up,
- hindering,
- hindrance,
- holdback,
- holdup,
- idiocy,
- idiotism,
- imbecility,
- impediment,
- infantilism,
- inhibition,
- injunction,
- insanity,
- interdict,
- interference,
- interim,
- interruption,
- jam,
- lag,
- lagging,
- legal restraint,
- let,
- letdown,
- letup,
- logjam,
- mental defectiveness,
- mental deficiency,
- mental handicap,
- mental retardation,
- minus acceleration,
- mongolianism,
- mongolism,
- mongoloid idiocy,
- monopoly,
- moratorium,
- moronism,
- moronity,
- negativism,
- nuisance value,
- obstruction,
- obstructionism,
- occlusion,
- opposition,
- paperasserie,
- pause,
- profound idiocy,
- prohibition,
- protection,
- protectionism,
- protective tariff,
- rationing,
- red tape,
- red-tapeism,
- red-tapery,
- rein,
- repression,
- reprieve,
- resistance,
- respite,
- restraint,
- restraint of trade,
- restriction,
- retardance,
- retardment,
- retrenchment,
- self-control,
- setback,
- simple-wittedness,
- simplemindedness,
- simpleness,
- simplicity,
- slack-up,
- slackening,
- slow-up,
- slowdown,
- slowing,
- slowing down,
- slowness,
- slowup,
- squeeze,
- stay,
- stay of execution,
- stop,
- stoppage,
- stranglehold,
- stricture,
- subnormality,
- suppression,
- suspension,
- tariff wall,
- thought control,
- tie-up,
- time lag,
- wait