uniˈplanar, a.
[See uni- and planar a.]
1. Geom. Having or characterized by coincident planes. uniplanar node (or uniplanar point), a form of node or conical point in which the tangent cone has become a pair of coincident planes; a unode.
| 1866 Brande & Cox Dict. Sci., etc. II. 675 When this cone breaks up into two planes, the node is termed a biplanar node, and when these planes coincide, a uniplanar node. 1869 [see uniplane]. 1889 Cent. Dict. s.v. Dyadic, Uniplanar diadic, a planar diadic in which the plane of the antecedents coincides with that of the consequents. |
2. Mech. Of motion: Lying or taking place in, confined to, one plane; of or pertaining to such motion.
| 1882 Minchin (title), Uniplanar Kinematics of Solids and Fluids. Ibid. 1 By uniplanar motion, or one-plane motion, is understood in the following pages motion which takes place in one plane or parallel to one plane. |