re·tar·da·tion

re·tar·da·tion
/ˌriːˌtɑɚˈdeıʃən/ noun [noncount]
1 old-fashioned + sometimes offensive : an unusual slowness of mental development

The child suffered severe mental retardation.

2 formal : an act of slowing down the development or progress of something

The chemical induced a retardation of cell growth.


Useful english dictionary. 2012.

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  • tar|na|tion — «tahr NAY shuhn», noun, adjective, adverb. U.S. Dialect. –n. damnation. –adj. confounded; damned: »a tarnation fool. –adv. awfully; inordinately. ╂[probably < tarn(al) + ( …   Useful english dictionary

  • re|tar|da|tion — «REE tahr DAY shuhn», noun. 1. the act of retarding: »A gradual change…would then effect the necessary retardation in the rate of increase (Thomas Malthus). 2. the condition of being retarded: »The business slowdown…was described as a “pause,” a… …   Useful english dictionary

  • tar — ac·e·tar·i·ous; ac·ro·tar·si·al; ac·ro·tar·si·um; acu·ti·plan·tar; al·mu·can·tar; al·pha·be·tar·i·an; al·tar; al·tar·age; al·tar·ist; an·i·mal·i·tar·i·an·ism; an·tiq·ui·tar·i·an; ar·ma·men·tar·i·um; as·tar·te; at·tar; au·tar·chic;… …   English syllables

  • tion — ab·bre·vi·a·tion; ab·di·ca·tion; ab·duc·tion; ab·er·ra·tion; ab·er·ra·tion·al; ab·jec·tion; ab·junc·tion; ab·ju·ra·tion; ab·lac·ta·tion; ab·la·tion; ab·lu·tion; ab·mi·gra·tion; ab·ne·ga·tion; ab·o·li·tion; ab·o·li·tion·ary; ab·o·li·tion·dom;… …   English syllables

  • tar|tar|i|za|tion — «TAHR tuhr uh ZAY shuhn», noun. the act of tartarizing, or of forming tartar …   Useful english dictionary

  • pro|le|tar|i|an|i|za|tion — «PROH luh TAIR ee uh nuh ZAY shuhn», noun. the act or process of proletarianizing: »the “petty bourgeoisie” struggling against proletarianization (Manchester Guardian Weekly) …   Useful english dictionary

  • tarnation — tar·na·tion (tär nā’shən) New England & Southern US n. ▸ The act of damning or the condition of being damned. interj. ▸ Used to express anger or annoyance. ╂ [Alteration (influenced by TARNAL(Cf. ↑tarnal)) of DARNATION(Cf. ↑darnation).] Word… …   Word Histories

  • tarnation — tar·na·tion …   English syllables

  • tarnation — tar•na•tion [[t]tɑrˈneɪ ʃən[/t]] interj. n. sts damnation; hell (used as a euphemism) • Etymology: 1775–85; b. tarnal, dial. form of eternal, and damnation …   From formal English to slang

  • retardation — re·tar·da·tion …   English syllables

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