interpolate

1. (transitive, intransitive) To introduce (something) between other things; especially to insert (possibly spurious) words into a text.Examples: "in verse 74, the second line is clearly interpolated, probably by some unknown medieval scribe"; "When interpolating an explanatory gloss, please enclose it in square brackets to make clear that it is interpolated."intransitivetransitive

2. (mathematics) To estimate the value of a function between two tabulated points.

3. (computing) 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.Examples: "A macro is invoked in the same way as a request; a control line beginning .xx will interpolate the contents of macro xx."Synonyms: transclude