retardment

retardation

[ree-tahr-dey-shuhn]
noun
1.
the act of retarding or state of being retarded.
2.
something that retards; hindrance.
3.
Usually Offensive. slowness or limitation in intellectual understanding and awareness, emotional development, academic progress, etc. See also mental retardation.
4.
Music. a form of suspension that is resolved upward.
Also, retardment [ri-tahrd-muhnt] .


Origin:
1400–50; late Middle English retardacioun < Latin retardātiōn- (stem of retardātiō), equivalent to retardāt(us) (see retard, -ate1) + -iōn- -ion

retardative [ri-tahr-duh-tiv] , retardatory [ri-tahr-duh-tawr-ee, -tohr-ee] , adjective
nonretardation, noun
nonretardative, adjective
nonretardatory, adjective
nonretardment, noun


See retarded.
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World English Dictionary
retardation or retardment (ˌriːtɑːˈdeɪʃən, rɪˈtɑːdmənt)
 
n
1.  the act of retarding or the state of being retarded
2.  something that retards; hindrance
3.  the rate of deceleration
4.  psychiatry the slowing down of mental functioning and bodily movement
 
retardment or retardment
 
n
 
re'tardative or retardment
 
adj
 
re'tardatory or retardment
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

retardation
early 15c., "fact or action of making slower in movement or time," from L. retardationem, from retardare "to make slow, delay, keep back, hinder," from re-, intensive prefix, + tardare "to slow" (see tardy).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

retardation re·tar·da·tion (rē'tär-dā'shən)
n.

  1. The condition of being relatively slow in mental, emotional, or physical development.

  2. The extent to which something is held back or delayed.

  3. Mental retardation.

The American Heritage® Stedman's Medical Dictionary
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