Medical Dictionary


adjective ac·quired

Medical Definition of acquired

  1. 1of a disease or medical condition :  developed or originating after birth :  not congenital or hereditary Hyperoxaluria may be due to overproduction from hereditary disorders of metabolism or it may be an acquired disorder caused by intestinal disease or diet.—The Journal of the American Medical Association, 19 Aug. 1988—compare congenital 2, familial, genetic 2, hereditary

  2. 2:  being or relating to a physical or behavioral characteristic or trait arising in response to the action of the environment on an organism This is clearly a claim on behalf of the Lamarckian idea that members of a species can inherit behavioral characteristics developed by their ancestors, that is, that acquired traits can be biologically transmitted.—David McNally, Bodies of Meaning, 2001

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feeling or affected by lethargy

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