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The Collaborative International Dictionary
duplication of the cube

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.

Wiktionary
duplication of the cube

n. (context math English) The operation of finding a cube having a volume which is double that of a given cube.

Usage examples of "duplication of the cube".

He asserts that as he cannot find any solution to the problem it must have something to do with the squaring of the circle, the duplication of the cube, or the trisection of an angle.