planeness Definition

plane²
noun

1. math.
A flat surface, either real or imaginary, such that a straight line joining any two points lies entirely on it.
Thesaurus: level, horizontal, flat, surface, face.
2. A level surface.
3. A level or standard.

Example: on a higher intellectual plane

adj

1. Flat; level.
2. Having the character of a plane.
3. math.
Lying in one plane.
Example: a plane figure
Example: plane geometry

verb, intr planed, planing

1. Said of a boat: to skim over the surface of the water.
2. Said of a bird: to wheel or soar with the wings motionless.

Derivative: planar

Relating to a plane.

Lying in a single plane.

Flat.

Derivative: planeness
noun

Etymology: 17c: from Latin planum level surface.