linkage

Link"age, n. 1. The act of linking; the state of being linked; also, a system of links. 2. (Chem.) Defn: Manner of linking or of being linked; -- said of the union of atoms or radicals in the molecule. 3. (Geom.) Defn: A system of straight lines or bars, fastened together by joins, and having certain of their points fixed in a plane. It is used to describe straight lines and curves in the plane.

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