Meaning & use
coplanar
Lying in the same flat, two-dimensional plane.
See it in a sentence
Any three points that are not in a straight line are always coplanar.
The engineer checked that all four supports were coplanar before installing the beam.
A note on using this word
Coplanar is a geometry term for points, lines, or shapes that share a single plane, as opposed to being skew or three-dimensional.
Words with a similar meaning
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