2. To make a duplicate of (something); to make a copy or transcript of. Glanvill.

3. (Biol.)

Defn: To divide into two by natural growth or spontaneous action; as, infusoria duplicate themselves.

DUPLICATION
Du`pli*ca"tion, n. Etym: [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.)

Defn: 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.

DUPLICATIVE
Du"pli*ca*tive, a.

1. Having the quality of duplicating or doubling.

2. (Biol.)