(obsolete) rectangular / (slang) tangled (from a rebracketing of "rectangle" as "rec tangle")

(geometry) Any quadrilateral having opposing sides parallel and four right angles.

plural of rectangle

(astronomy) The nebula and binary star HD 44179.

(mathematics) A rectangle in the real plane which is an open set: i.e., which does not contain its edges. If the sides of the open rectangle are parallel to the plane's axes, then the open rectangle can be described as the Cartesian product of two open intervals.

A rectangle whose side lengths are in the golden ratio.

plural of golden rectangle

plural of open rectangle

Synonym of love quadrangle

plural of love rectangle