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[doo-pli-key-shuh n, dyoo-] /ˌdu plɪˈkeɪ ʃən, ˌdyu-/

an act or instance of .
the state of being .
a .
Genetics. a type of chromosomal aberration in which a region of the chromosome is repeated.
the act of duplicating or the state of being duplicated
a copy; duplicate
(genetics) a mutation in which there are two or more copies of a gene or of a segment of a chromosome

early 15c., “doubling,” from Middle French duplicacion (13c.) and directly from Latin duplicationem (nominative duplicatio), noun of action from past participle stem of duplicare (see duplicate (adj.)). Meaning “repetition” is from 1580s.

duplication du·pli·ca·tion (dōō’plĭ-kā’shən, dyōō’-)
The existence or growth into two corresponding parts.


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  • Duplication-of-the-cube

    noun, Geometry. 1. the insoluble problem of constructing a cube having twice the volume of a given cube, using only a ruler and compass.

  • Duplicative

    [noun, adjective doo-pli-kit, dyoo-; verb doo-pli-keyt, dyoo-] /noun, adjective ˈdu plɪ kɪt, ˈdyu-; verb ˈdu plɪˌkeɪt, ˈdyu-/ noun 1. a copy exactly like an original. 2. anything corresponding in all respects to something else. 3. Cards. a duplicate game. verb (used with object), duplicated, duplicating. 4. to make an exact copy of. 5. to do […]

  • Duplicator

    [doo-pli-key-ter, dyoo-] /ˈdu plɪˌkeɪ tər, ˈdyu-/ noun 1. a machine for making , as a mimeograph. /ˈdjuːplɪˌkeɪtə/ noun 1. an apparatus for making replicas of an original, such as a machine using a stencil wrapped on an ink-loaded drum

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