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aggradation

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noun ag·gra·da·tion \ˌa-grə-ˈdā-shən\

Definition of aggradation

  1. :  a modification of the earth's surface in the direction of uniformity of grade by deposition

ag·gra·da·tion·alplay \-shnəl, -shə-nəl\ adjective


Origin of aggradation

ad- + gradation


First Known Use: 1898


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