1. The act of duplicating, or the state of being duplicated; a doubling; a folding over; a fold.

2. <biology> The act or process of dividing by natural growth or spontaneous action; as, the duplication of cartilage cells.

<mathematics> Duplication of the cube, the operation of finding a cube having a volume which is double that of a given cube.

Origin: L. Duplicatio: cf. F. Duplication.

(01 Mar 1998)