a. (Anat.) Of or pertaining to the rectum; in the region of the rectum. [ 1913 Webster ]
a. Rectangular. [ R. ] [ 1913 Webster ]
n. [ F., fr. L. rectus right + angulus angle. See Right, and Angle. ] (Geom.) A four-sided figure having only right angles; a right-angled parallelogram. [ 1913 Webster ]
☞ As the area of a rectangle is expressed by the product of its two dimensions, the term rectangle is sometimes used for product; as, the rectangle of a and b, that is, ab. [ 1913 Webster ]
a. Rectangular. Hutton. [ 1913 Webster ]
a. [ CF. F. rectangulaire. ] Right-angled; having one or more angles of ninety degrees. --
n. The quality or condition of being rectangular, or right-angled. [ 1913 Webster ]
[ L. rectus straight. ] A combining form signifying straight;
a.
n. [ Cf. F. rectification. ]
After the rectification of his views, he was incapable of compromise with profounder shapes of error. De Quincey. [ 1913 Webster ]
Rectification of a globe (Astron.),
n. (Chem.) That which rectifies or refines; esp., a part of a distilling apparatus in which the more volatile portions are separated from the less volatile by the process of evaporation and condensation; a rectifier. [ 1913 Webster ]