aggradation

noun ag·gra·da·tion \ ˌa-grə-ˈdā-shən \
Updated on: 15 Nov 2017

Definition of aggradation

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

aggradational

play \-shnəl, -shə-nᵊl\ adjective

Origin and Etymology of 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.


Learn More about aggradation


Seen and Heard

What made you want to look up aggradation? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

marked by intense feeling

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!