a. and sb. [UNI-] a. adj. Forming or lying in one plane. b. sb. (See quot. 1869.)
1843. Civil Eng. & Arch. Jrnl., VI. 218/2. A pneumatic machine for casting, and a uniplane machine for composing.
1869. Cayley, Math. Papers (1893), VI. 361. U … is a uniplanar-node, where the quadric cone becomes a coincident plane-pair; say, the plane is the uniplane.
