Dictionary.com

planation

[ pley-ney-shuhn, pluh- ]
/ pleɪˈneɪ ʃən, plə- /
Save This Word!

noun Geology.
the process whereby an irregular land surface is made flat or level by erosion.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of planation

First recorded in 1875–80; plane1 + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use planation in a sentence

British Dictionary definitions for planation

planation
/ (pleɪˈneɪʃən) /

noun
the erosion of a land surface until it is basically flat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK