interpolate: Meaning and Definition of

in•ter•po•late

Pronunciation: (in-tûr'pu-lāt"), [key]

— v., -lat•ed, -lat•ing.

—v.t.

to introduce (something additional or extraneous) between other things or parts; interject; interpose; intercalate.
to insert, estimate, or find an intermediate term in (a sequence).
to alter (a text) by the insertion of new matter, esp. deceptively or without authorization.
to insert (new or spurious matter) in this manner.

—v.i.