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


play \-shnəl, -shə-nəl\ adjective

Origin and Etymology of aggradation

ad- + gradation

First Known Use: 1898

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