The geometric property or condition of points or lines lying on the same plane; the state of being coplanar.
From 'coplanar' (co- plus planar, from Latin 'planus') plus the suffix '-ity' indicating a state or quality of being.
Coplanarity connects to one of the biggest brain-benders in physics—higher dimensions become harder to visualize, but mathematicians discovered that coplanarity in 4D space creates restrictions that don't exist in 3D, changing how we understand reality.
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