ag·grade (ə-grād′) tr.v. ag·grad·ed ,
ag·grad·ing ,
ag·grades To fill and raise the level of (the bed of a stream) by deposition of sediment.
ag′gra·da′tion (ăg′rə-dā′shən) n.
ag′gra·da′tion·al adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
aggrade (əˈɡreɪd ) vb (Geological Science) (
tr ) to build up the level of (any land surface) by the deposition of sediment. Compare
degrade 4 aggradation n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ag•grade (əˈgreɪd) v.t. -grad•ed, -grad•ing. to raise the grade or level of (a river valley, a stream bed, etc.) by depositing detritus, sediment, or the like. Compare
degrade. [1895–1900]
ag•gra•da•tion (ˌæg rəˈdeɪ ʃən) n.
ag`gra•da′tion•al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
aggrade Past participle: aggradedGerund: aggradingImperative Present Preterite Present Continuous Present Perfect Past Continuous Past Perfect Future Future Perfect Future Continuous Present Perfect Continuous Future Perfect Continuous Past Perfect Continuous Conditional Past Conditional Present I aggrade you aggrade he/she/it aggrades we aggrade you aggrade they aggrade
Preterite I aggraded you aggraded he/she/it aggraded we aggraded you aggraded they aggraded
Present Continuous I am aggrading you are aggrading he/she/it is aggrading we are aggrading you are aggrading they are aggrading
Present Perfect I have aggraded you have aggraded he/she/it has aggraded we have aggraded you have aggraded they have aggraded
Past Continuous I was aggrading you were aggrading he/she/it was aggrading we were aggrading you were aggrading they were aggrading
Past Perfect I had aggraded you had aggraded he/she/it had aggraded we had aggraded you had aggraded they had aggraded
Future I will aggrade you will aggrade he/she/it will aggrade we will aggrade you will aggrade they will aggrade
Future Perfect I will have aggraded you will have aggraded he/she/it will have aggraded we will have aggraded you will have aggraded they will have aggraded
Future Continuous I will be aggrading you will be aggrading he/she/it will be aggrading we will be aggrading you will be aggrading they will be aggrading
Present Perfect Continuous I have been aggrading you have been aggrading he/she/it has been aggrading we have been aggrading you have been aggrading they have been aggrading
Future Perfect Continuous I will have been aggrading you will have been aggrading he/she/it will have been aggrading we will have been aggrading you will have been aggrading they will have been aggrading
Past Perfect Continuous I had been aggrading you had been aggrading he/she/it had been aggrading we had been aggrading you had been aggrading they had been aggrading
Conditional I would aggrade you would aggrade he/she/it would aggrade we would aggrade you would aggrade they would aggrade
Past Conditional I would have aggraded you would have aggraded he/she/it would have aggraded we would have aggraded you would have aggraded they would have aggraded
Collins English Verb Tables © HarperCollins Publishers 2011
Thesaurus Antonyms Related Words Synonyms Legend:
Verb 1. aggrade - build up to a level by depositing sedimentgrade - level to the right gradient
degrade - reduce the level of land, as by erosion
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.