from
The Collaborative International Dictionary of English v.0.48
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.
[1913 Webster]
2. (Biol.) The act or process of dividing by natural growth
or spontaneous action; as, the duplication of cartilage
cells. --Carpenter.
[1913 Webster]
{duplication of the cube} (Math.), the operation of finding a
cube having a volume which is double that of a given cube.
[1913 Webster]