aggrade

[ uh-greyd ]

verb (used with object)

, Physical Geography.

, ag·grad·ed, ag·grad·ing.

1. to raise the grade or level of (a river valley, a stream bed, etc.) by depositing detritus, sediment, or the like.

aggrade

/ ˌæɡrəˈdeɪʃən; əˈɡreɪd /

verb

1. tr to build up the level of (any land surface) by the deposition of sediment Compare degrade

Derived Forms

• aggradation, noun

Other Words From

• ag·gra·da·tion [ag-r, uh, -, dey, -sh, uh, n], noun
• aggra·dation·al adjective

Word History and Origins

Origin of aggrade¹

First recorded in 1895–1900; ag- + grade

Example Sentences

In this way they aggrade each portion of it in turn by means of their shifting channels.

From Project Gutenberg

Its deposits tend to aggrade (build up) the flat which its meanderings develop.

From Project Gutenberg