birectangular

About 0.00 uses per million words.

Meaning

1. adjective Containing two right angles.

   Unlike a normal triangle, a spherical triangle can be birectangular because the sum of its angles is greater than 180 degrees.

Similar words

trirectangular biangular rectangular multangular right-angled triangled pentangular obliquangular obtusangular cubangular

Often followed by

quadrilateral spherical triangle