- the Cartesian coordinates in a system of mutually perpendicular axes
WordReference Random House Unabridged Dictionary of American English © 2026
rectan′gular coor′dinates, [Math.]
- Mathematicsa coordinate system in which the axes meet at right angles. Also called rectan′gular coor′dinate sys′tem.
- 1860–65
Collins Concise English Dictionary © HarperCollins Publishers::
rectangular coordinates pl n
'rectangular coordinates' also found in these entries (note: many are not synonyms or translations):