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plan-
plan ahead
plan for
plan on
plan out
plan sponsor
planar
planarian
planation
planchet
planchette
Planck constant
Planck length
Planck’s constant
plane (1)
plane (2)
plane (3)
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planation
planation [ play náysh'n ]


noun 
Definition:
 
levelling out of land surfaces: the process of erosion and deposition by which water and wind currents produce a nearly level land surface
[Late 19th century. <plane2]
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