Coplanar is a 8 letter English word. It's valid Scrabble word worth 12 points. It's valid Words with friends word worth 16 points.
You can make 250 anagrams from letters in coplanar (aaclnopr).
1860-65; co- + planar Late Latin plānāris; see plane1, -ar1
coplanar substitution in four hydrogen atoms would involve the pushing apart of the iodine atoms in four horizontal directions.
A figure formed by four coplanar points is named a complete quadrangle, or, shorter, a four-point.
Again, any coplanar system of forces can be replaced by a single force R acting at any assigned point O, together with a couple G.