planation

== English == === Etymology === From plane +‎ -ation. === Pronunciation === IPA(key): /pleɪˈneɪʃən/, /pləˈneɪʃən/ === Noun === planation (countable and uncountable, plural planations) (geology) The formation of a flat surface by erosion and deposition (biology) The morphological transformation of a three-dimensional structure into a two-dimensional one through development or evolution ==== Derived terms ==== ==== Related terms ==== planar plane ==== Translations ==== === Anagrams === Platonian, platinoan