Duplication \Du`pli*ca"tion\, n. [L. duplicatio: cf. F. duplication.]

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

2. (Biol.) The act or process of dividing by natural growth or spontaneous action; as, the duplication of cartilage cells. --Carpenter.

Duplication of the cube (Math.), the operation of finding a cube having a volume which is double that of a given cube.

Source: Webster's Revised Unabridged Dictionary (1913)