interpolate

[ in-tur-puh-leyt ]
/ ɪnˈtɜr pəˌleɪt /

verb (used with object), in·ter·po·lat·ed, in·ter·po·lat·ing.

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

verb (used without object), in·ter·po·lat·ed, in·ter·po·lat·ing.

to make an interpolation.

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Origin of interpolate

1605–15; < Latin interpolātus past participle of interpolāre to make new, refurbish, touch up, equivalent to inter- inter- + -polā- verb stem (akin to polīre to polish) + -tus past participle suffix

OTHER WORDS FROM interpolate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for interpolate

British Dictionary definitions for interpolate

interpolate
/ (ɪnˈtɜːpəˌleɪt) /

verb

to insert or introduce (a comment, passage, etc) into (a conversation, text, etc)
to falsify or alter (a text, manuscript, etc) by the later addition of (material, esp spurious or valueless passages)
(intr) to make additions, interruptions, or insertions
maths to estimate (a value of a function) between the values already known or determinedCompare extrapolate (def. 1)

Derived forms of interpolate

interpolater or interpolator, nouninterpolative, adjective

Word Origin for interpolate

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