interpolate

[ in-tur-puh-leyt ]
See synonyms for interpolate on Thesaurus.com
verb (used with object),in·ter·po·lat·ed, in·ter·po·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).

  1. to alter (a text) by the insertion of new matter, especially deceptively or without authorization.

  2. to insert (new or spurious matter) in this manner.

verb (used without object),in·ter·po·lat·ed, in·ter·po·lat·ing.
  1. to make an interpolation.

Origin of interpolate

1
First recorded in 1605–15; from Latin interpolātus, past participle of interpolāre “to make new, refurbish, touch up,” equivalent to inter- “between, among, together” + -polā- verb stem (akin to polīre “to polish”) + -tus past participle suffix; see inter-, polish

Other words from interpolate

  • in·ter·po·la·ble [in-tur-puh-luh-buhl], /ɪnˈtɜr pə lə bəl/, adjective
  • in·ter·po·lat·er, in·ter·po·la·tor, noun
  • in·ter·po·la·to·ry [in-tur-puh-luh-tawr-ee, -tohr-ee], /ɪnˈtɜr pə ləˌtɔr i, -ˌtoʊr i/, in·ter·po·la·tive, adjective
  • in·ter·po·la·tive·ly, adverb
  • non·in·ter·po·lat·ing, adjective
  • non·in·ter·po·la·tive, adjective
  • un·in·ter·po·lat·ed, adjective
  • un·in·ter·po·la·tive, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for interpolate

interpolate

/ (ɪnˈtɜːpəˌleɪt) /


verb
  1. to insert or introduce (a comment, passage, etc) into (a conversation, text, etc)

  2. to falsify or alter (a text, manuscript, etc) by the later addition of (material, esp spurious or valueless passages)

  1. (intr) to make additions, interruptions, or insertions

  2. maths to estimate (a value of a function) between the values already known or determined: Compare extrapolate (def. 1)

Origin of interpolate

1
C17: from Latin interpolāre to give a new appearance to, from inter- + polīre to polish

Derived forms of interpolate

  • interpolater or interpolator, noun
  • interpolative, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012