a, e, g, l, n, c, r, t, u are letters that make 'rectangular'
AN, re, la, Tang, EC, ANG, ar, ng, tan, angular, GU, ECT, gula, CT, tang, AR, LA, Re, Gula, NGU, Ar, La, Ta are words within 'rectangular'
2 possible definitions for 'rectangular'
Under this definition, rectangular is an adjective and has the following properties:
rectangularity, oblongness, rectangle are derivatives of 'rectangular'.
"a rectangular figure twice as long as it is wide"
Under this definition, rectangular is an adjective and has the following properties:
orthogonal has the same meaning as rectangular
orthogonality is a derivative of rectangular.
perpendicular is similar to rectangular.
"wind and sea may displace the ship's center of gravity along three orthogonal axes", "a rectangular Cartesian coordinate system"