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

Results of Glacial Action.—A glacier is a degrading and an aggrading agent.

From Project Gutenberg

But he wanted her, an' his father an' O'Moore put their heads together over a glass an' aggrade that the young wans 'ud be married.

From Project Gutenberg

However, I believe students of agriculture will agree with me that deforestation, increased erosion, and aggrading gravel banks probably drove the folk out of Saylla.

From Project Gutenberg

While aggrading streams thus tend to shift their channels, degrading streams, on the contrary, become more and more deeply intrenched in their valleys.

From Project Gutenberg

So she aggrade to do her best, an' gev her a little bag to carry wid 'erbs in it, an' writ some words on two bits av paper an' the same in Latin.

From Project Gutenberg