Word Study
rectilineal
CIDE DICTIONARY
rectilineal, a. [Recti- + lineal, linear.].
Straight; consisting of a straight line or lines; bounded by straight lines; as, a rectineal angle; a rectilinear figure or course. [1913 Webster]
ROGET THESAURUS
rectilineal
Straightness
N straightness, rectilinearity, directness, inflexibility, straight line, right line, direct line, short cut, straight, rectilinear, rectilineal, direct, even, right, true, in a line, unbent, virgate, undeviating, unturned, undistorted, unswerving, straight as an arrow, inflexible, laser-straight, ramrod-straight.For further exploring for "rectilineal" in Webster Dictionary Online