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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.

A doubling together or folding; a duplication. [R.]

The division of that which is morphologically one organ into two or more, as the division of an organ of a plant into a pair or cluster.

The act of doubling, or the state of being doubled.

The state of being twice folded; reduplication. [R.] Bailey.

The act of one that doubles; a making double; reduplication; also, that which is doubled.

A doubling; duplication; repetition. [R.] Boyle.

Repetition; reduplication; reiteration. De Quincey. That Sacred ingemination, Amen, Amen. Featley. Happiness with an echo or ingemination. Holdsworth.

ng two mean proportionals between two given lines, required in solving the problem of the duplication of the cube. Brande & C.

To repeat the first letter or letters of (a word). See Reduplication,3.

Double; formed by reduplication; reduplicate. I. Watts.

pe. Let those eyes that view The daring crime, behold the vengeance too. Pope. Too too, a duplication used to signify great excess. O that this too too solid flesh would melt. Shak. Such is not Charles his too too active age. Dryden.

ng railroad men, in the army and navy, with provision for Indians and negroes, and a full duplication of all the various lines of oepration in the boys' departments.

The widening and duplication, triplication, etc., of spectral lines when the radiations emanate in a strong magnetic field, first observed in 1896 by P. Zeeman, a Dutch physicist, and regarded as an important confirmation of the electromagnetic theory of light.