PLANATION


Meaning of PLANATION in English

/play nay"sheuhn, pleuh-/ , n. Geol.

the process whereby an irregular land surface is made flat or level by erosion.

[ 1875-80; PLANE 1 + -ATION ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .