216a} parallelism; coextension†; equidistance†; similarity &c 17.
Adj. parallel; coextensive; equidistant.
Adv. alongside &c (laterally) 236.
216a. Perpendicularity — N. {ant.
216} perpendicularity, orthogonality; verticality, &c 212.
V. be perpendicular, be orthogonal; intersect at right angles, be
rectangular, be at right angles to, intersect at 90 degrees; have no
correlation.
Adj. orthogonal, perpendicular; rectangular; uncorrelated.