a pressrun, as that of a newspaper or magazine, which is interrupted after the running of a specified number of copies to permit the substitution of type or of a cut, as in a keyed advertisement: a device for testing the relative effectiveness of different versions of an advertisement.
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Words nearby split run
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British Dictionary definitions for split run
Canadian a divided print run of a periodical in which a number of copies contain advertisements not included in the rest, esp a Canadian edition of a US magazine which contains Canadian advertisements but no Canadian editorial content
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