Morpheme
Plane
Type
free base
Denotation
flat, level, even
Etymology
(1) Latin plānum, from plānus; (2) Middle English plane, plaine; Anglo-Norman plaine; Late Latin plāna; Latin plānāre, from plānus
Evidence
biplanar, biplane, complanar, coplanar, curviplanar, diplanar, echoplanar, equiplanar, esplanade, esplanades, exoplanar, explanation, explanations, explanatorily, explanatory, extraplanar, halfplanar, hyperplanar, interplanar, intraplanar, microplanar, monoplanar, monoplane, multiplane, nonplanar, outerplanar, periplanar, planar, planarity, planarization, planarize, planarly, planate, plane, planed, planes, planing, planosol, quadriplanar, quadruplane, quasiplanar, sesquiplane, spaceplane, synplanar, triplane, uniplanar
Notes
introduced in 17c. to distinguish geometric denotions from denotations of Plain
homophone of Plain
Doublet
Plain