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planationPlanch
Plancher
Planchet
Planchette
Planching
Planck
Planck's constant
Planck's law
Planck's radiation law
Plane
plane angle
Plane at infinity
Plane chart
Plane curve
plane figure
-- plane geometry --
Plane iron
Plane locus
Plane of flotation
Plane of polarization
Plane of projection
Plane of refraction
Plane problem
Plane sailing
Plane scale
plane seat
plane section
Plane surveying
Plane table
plane ticket
Plane tree
Plane trigonometry
plane geometry
| Noun | 1. |  plane geometry - the geometry of 2-dimensional figures |