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aggradation

noun
ag·​gra·​da·​tion | \ ˌa-grə-ˈdā-shən How to pronounce aggradation (audio) \

Definition of aggradation

: a modification of the earth's surface in the direction of uniformity of grade by deposition
Other Words from aggradation Example Sentences Learn More about aggradation

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Other Words from aggradation

aggradational \ -​shnəl How to pronounce aggradational (audio) , -​shə-​nᵊl \ adjective

Examples of aggradation in a Sentence

Recent Examples on the Web

 Number one is aggradation of the channel bed, and number two, a mega flood. — Mark Schleifstein, NOLA.com, "Rising river bottom could switch Mississippi to Atchafalaya riverbed in next mega flood," 12 Dec. 2017

First Known Use of aggradation

1898, in the meaning defined above

History and Etymology for aggradation

aggrade "to fill with detrital material, build up by aggradation" (from ad- + -grade, as in degrade) + -ation (after degradation)

Note: Aggrade and aggradation were apparently introduced by the geologist Rollin D. Salisbury in Surface Geology: Report of Progress, from the Annual Report of the State Geologist for 1892, Trenton, N.J.: Geological Survey of New Jersey, 1893, p. 103.

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