In a straight line. / (geometry, art) Formed from straight lines.

plural of rectitude

plural of rectification

righteous or correct or upright

Conversion to rectilinear form.

Alternative form of rectilinear

The condition of being rectilinear

(chemistry) That which rectifies or refines; especially, a part of a distilling apparatus in which the more volatile portions are separated from the less volatile by evaporation and condensation; a rectifier.

Obsolete form of rectilinear.

(botany, of leaves) Having straight veins or nerves.