01 n. The act of introducing or inserting anything, especially that which is spurious or foreign.
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1.
The act of introducing or inserting anything, especially that which is spurious or foreign.
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2.
That which is introduced or inserted, especially something foreign or spurious.“Bentley wrote a letter . . . . upon the scriptural glosses in our present copies of Hesychius, which he considered interpolations from a later hand.” — De Quincey.
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3.
The method or operation of finding from a few given terms of a series, as of numbers or observations, other intermediate terms in conformity with the law of the series.(Math.)