COPLANAR
Meaning of COPLANAR in English
— coplanarity , n.
/koh play"neuhr/ , adj. Math.
being or operating in the same plane.
[ 1860-65; CO- + planar planaris; see PLANE 1 , -AR 1 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012