Examples from the Web for planation
The planation and striation of a stone need not be confined to its under surface.The Geography of the Region about Devils Lake and the Dalles of the Wisconsin|Rollin D. Salisbury
These changes probably included stream capture, flooding, drought, uplifting and planation.
He may have been misled by other ministers, and for his benefit I make this ex- planation.The Works of Robert G. Ingersoll, Vol. 5 (of 12)|Robert G. Ingersoll