To estimate the value of a variable outside a known range from values within that range by assuming that the estimated value follows logically from the known ones
To introduce (something) between other things; especially to insert (possibly spurious) words into a text.
To estimate the value of a function between two points between which it is tabulated.
During the course of processing some data, and in response to a directive in that data, to fetch data from a different source and process it in-line along with the original data.
To alter or corrupt by the insertion of new or foreign matter; especially, to change, as a book or text, by the insertion of matter that is new, or foreign to the purpose of the author.
To fill up intermediate terms of, as of a series, according to the law of the series; to introduce, as a number or quantity, in a partial series, according to the law of that part of the series; to estimate a value at a point intermediate between points of knwon value. Compare extrapolate.