planation

P3L1A1N1A1T1I1O1N1
/pleɪˈneɪʃən//pləˈneɪʃən/

noun

The formation of a flat surface by erosion and deposition

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Meanings

nounplanation (countable and uncountable, plural planations)

plural planations

  1. countableuncountablegeographyThe formation of a flat surface by erosion and deposition
  2. countableuncountablebiologyThe morphological transformation of a three-dimensional structure into a two-dimensional one through development or evolution

Origin

From plane + -ation.

Full word history & related roots →

Translations

Polish planacja, gradacja
  • planacjaThe formation of a flat surface
  • gradacjaThe formation of a flat surface

Rhymes & wordplay

Anagrams

Platonianplatinoannapolitan
Cite this entry
APA

planation. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/planation

MLA

“planation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/planation. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “planation,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/planation.

Source: planation on Wiktionary, CC BY-SA 4.0.