coplanar

adjective lying in the same plane
Found on https://www.encyclo.co.uk/local/20974

Coplanar

Co¬∑plan'ar (ko*plān'ẽr) adjective [ Prefix co- + plane .] (Math.) Situated in one plane.
Found on http://www.encyclo.co.uk/webster/C/157

Coplanar

A set of points or lines that are all on a common plane. See also: Collinear.
Found on http://www.diracdelta.co.uk/science/source/c/o/coplanar/source.html

coplanar

In geometry, describing lines or points that all lie in the same plane
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0026023.html

coplanar

[adj] - lying in the same plane
Found on http://www.webdictionary.co.uk/definition.php?query=coplanar
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