What is the meaning of Retardation?

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APAWebster's. (2011). retardation. Retrieved September 25, 2026, from http://smartdefine.org/retardation/definitions/2055260
ChicagoWebster's. 2011. "retardation" http://smartdefine.org/retardation/definitions/2055260 (accessed September 25, 2026).
HarvardWebster's 2011, retardation, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/retardation/definitions/2055260>.
MLAWebster's. "retardation" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/retardation/definitions/2055260>
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