progradation

[proh-grey-dey-shuhn]
noun Geology.
seaward growth of a beach, delta, fan, etc., by progressive deposition of sediment by rivers or shoreline processes.

Origin:
1905–10; prograde (pro-1 + (retro)grade) + -ation

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To progradation
Explore Dictionary.com
Previous Definition: progovernment
Next Definition: prograde
Words Near: progradation
More from Thesaurus.com
Synonyms and Antonyms for progradation
More from Reference.com
Search for articles containing progradation
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Example sentences
In this report, the upward increase of sandstone within the complex is
  attributed to progradation of the shoreline.
As more channels develop by bifurcation, the rate of progradation decreases.
In the latter case, delta progradation would be expected to occur as sediments
  were deposited on the coastal shelf.
It represents deltaic progradation and maturation, with increased sediment
  yield.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature