Rec`ti*lin"e*al (-l?n"?*al), Rec`ti*lin"e*ar (-l?n"?*?r), 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.
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Rec`ti*lin"e*al*ly, adv. --
Rec`ti*lin"e*ar*ly, adv.
© Webster 1913.