a. Math. Also 8 -ible. [ad. L. type *quadrābilis, f. quadrāre to square: see QUADRATE v. and -ABLE.] Capable of being represented by an equivalent square, or of being expressed in a finite number of algebraic terms.
1695. Wallis, in Phil. Trans., XIX. 111. The Spaces in the Cycloid, which are perfectly Quadrable.
1743. Emerson, Fluxions, 196. Here the Curve is not quadrable in this Form.
1798. Phil. Trans., LXXXVIII. 260. The areas of any parabolic segments … are geometrically quadrable.
1872. Loomis, Calculus, vi. 253. When the area limited by a curve can be expressed in a finite number of algebraic terms, the surface is said to be quadrable.
Hence Quadrability, the quality or condition of being quadrable.
1743. Emerson, Fluxions, 194. In Curves of more Terms, there are several Conditions requisite to their exact Quadrability.
