RETARDATION • E-FREE TRANSLATION.COM • Definition of Retardation

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/ritɑrdˈeɪʃən/ Listen

Retardation

noun

A decrease in rate of change. Synonyms: deceleration, slowing.

The extent to which something is delayed or held back.

Any agent that retards or delays or hinders. Synonyms: retardant, retardent.

Lack of normal development of intellectual capacities. Synonyms: backwardness, mental retardation, slowness, subnormality.

The act of slowing down or falling behind. Synonyms: lag, slowdown.

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Etymology of 'Retardation'

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"Retardation" Quotes from Famous Books

... which life was extraordinarily prolonged there was either not a total deprivation of food and drink, or there was a state of muscular inaction present particularly favorable to retardation of the destructive changes in the body which abstinence produces. It may be asserted that in ordinary cases absolute deprivation of food and drink cannot be endured by a healthy adult longer than ten days, and death generally ...

— Fasting Girls - Their Physiology and Pathology • William Alexander Hammond

... object of conducting the investigation during the summer solstice has been the facilities afforded for determining atmospheric absorption, the sun's zenith distance at noon being only 17 deg. 12' at New York. The retardation of the sun's rays in passing through a clear atmosphere obviously depends on the depth penetrated; hence—neglecting the curvature of the atmospheric limit—the retardation will be as the secants of the ...

— Scientific American Supplement, No. 458, October 11, 1884 • Various

... distant from Jupiter. Roemer reasoned thus: 'Had I been able to remain at the other side of the earth's orbit, the moon might have appeared always at the proper instant; an observer placed there would probably have seen the moon 15 minutes ago, the retardation in my case being due to the fact that the light requires 15 minutes to travel from the place where my first observation was ...

— Six Lectures on Light - Delivered In The United States In 1872-1873 • John Tyndall

... every time an ill-adjusted organic activity or lack of activity, has led to a lasting or at least relatively lasting disturbance in the system of paths. The neglect of training, for instance, in periods of development may have resulted in the retardation which yields the symptoms of a feeble-minded brain, or the wrong training may have created vicious habits, firmly established in the mind-brain system and gravely disturbing the equilibrium. Above all, the overstrain of function, especially of emotional functions, may lead to that exhaustion ...

— Psychotherapy • Hugo Muensterberg

... Party Are Irishmen Good Politicians? The Irish and the Scotch-Irish in America America's Interest in the Problem Part Played by English Government in Producing Modern Irish Disabilities Causes of the Growth of National Feeling Retardation of Political Education by the One-Man System And by Politicians of To-Day Defence of Nationalist Policy on Ground of Tactics Considered The Forces opposed to Home Rule—How Dealt with Local Government—How it might have been utilised After Home Rule? Beginnings of Political ...

— Ireland In The New Century • Horace Plunkett

Words linked to "Retardation" : time lag, alteration, moronity, imbecility, stupidity, postponement, acceleration, holdup, mental deficiency, wait, agent, hold, abnormality, mental defectiveness, modification, retard, amentia, idiocy, change, delay