verb, -lat⋅ed, -lat⋅ing.| 1. | to introduce (something additional or extraneous) between other things or parts; interject; interpose; intercalate. |
| 2. | Mathematics. to insert, estimate, or find an intermediate term in (a sequence). |
| 3. | to alter (a text) by the insertion of new matter, esp. deceptively or without authorization. |
| 4. | to insert (new or spurious matter) in this manner. |
| 5. | to make an interpolation. |
in·ter·po·late (ĭn-tûr'pə-lāt') v. in·ter·po·lat·ed, in·ter·po·lat·ing, in·ter·po·lates v. tr.
To make insertions or additions. [Latin interpolāre, interpolāt-, to touch up, refurbish, from interpolis, refurbished; see pel-5 in Indo-European roots.] in·ter'po·la'tion n., in·ter'po·la'tive adj., in·ter'po·la'tor n. |