AFFECTION

, in Geometry, a term used by some ancient writers, signifying the same as property.

Affection. Phys. The affections of a body are certain modifications occasioned or induced by | motion; in virtue of which the body is disposed after such, or such a manner.

The affections of bodies, are sometimes divided into primary and secondary.

Primary Affections, are those which arise either out of the idea of matter, as magnitude, quantity, and figure; or out of the idea of form, as quality and power; or out of both, as motion, place, and time.

Secondary, or derivative Affections, are such as arise out of primary ones, as divisibility, continuity, contiguity, &c, which arise out of quantity; regularity, irregularity, &c, which arise out of figure, &c.