from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To insert or introduce between other elements or parts.
  • transitive v. To insert (material) into a text.
  • transitive v. To insert into a conversation. See Synonyms at introduce.
  • transitive v. To change or falsify (a text) by introducing new or incorrect material.
  • transitive v. Mathematics To estimate a value of (a function or series) between two known values.
  • intransitive v. To make insertions or additions.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To estimate the value of a function between two points between which it is tabulated.
  • v. 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.
  • v. To introduce (material) to change the meaning of or falsify a text.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To renew; to carry on with intermission.
  • transitive v. To alter or corrupt by the insertion of new or foreign matter; especially, to change, as a book or text, by the insertion of matter that is new, or foreign to the purpose of the author.
  • transitive v. To fill up intermediate terms of, as of a series, according to the law of the series; to introduce, as a number or quantity, in a partial series, according to the law of that part of the series; to estimate a value at a point intermediate between points of knwon value. Compare extrapolate.

from The Century Dictionary and Cyclopedia

  • To insert in a writing; introduce, as a word or phrase not in the original text; especially, to foist in: introduce surreptitiously, as what is spurious or unauthorized.
  • To alter, as a book or manuscript, by insertion of new matter; introduce new words or phrases into; especially, to corrupt or vitiate by spurious insertions or additions.
  • In mathematics and physics, to introduce, in a series of numbers or observations (one or more intermediate terms), in accordance with the law of the series; make the necessary interpolations in: as, to interpolate a number or a table of numbers.
  • To carry on with intermissions; interrupt or discontinue for a time.
  • To interpose; place in an intermediate position.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. estimate the value of
  • v. insert words into texts, often falsifying it thereby


from The American Heritage® Dictionary of the English Language, 4th Edition

Latin interpolāre, interpolāt-, to touch up, refurbish, from interpolis, refurbished; see pel-5 in Indo-European roots.


  • For minor intervals I'd just interpolate from the nearest major/perfect.

    Boing Boing: January 26, 2003 - February 1, 2003 Archives

  • And right here I'd like to interpolate a word or two about Canadian poetry, our native poetry as you will find it, for example, in that precious but often impoverished quarterly known as the Canadian Poetry Magazine.

    Canada Finds Her Voice

  • But right now, none of the observing sites are operating above about 6,600 feet or so, so we have to kind of interpolate a little bit, and we're guessing at this time maybe into the low teens at best for the temperature at this hour.

    CNN Transcript Dec 17, 2006

  • Inkscape has a similar tool called "interpolate", which produces lovely lines by "blending" two separate lines into one flowing shapes. Latest 15 Tutorials

  • "blend fields" will blend, you can try "interpolate", it might give better results. Forum

  • It requires that one believe the closed system was arranged in specific ways at specific times which we can postulate, argue for, interpolate, or otherwise justify but cannot experientially prove.

    Does It Matter If We're "Reality-Based"?, Bryan Caplan | EconLog | Library of Economics and Liberty

  • For every (x, y) point in the original image, modify its x coordinate through a forward transform, and then determine where it is relative to the estimated lines, and linearly interpolate the y coordinate.

    Dewarping pages « The Half-Baked Maker

  • Berry chose to interpolate music from other leading choral composers including Richard Allain, whose Night wraps Shelley's poem in velvet chords as thick as darkness, adding a sonorous cello melody beautifully played by Katherine Jenkinson that floats through the stars to ravishing effect.

    Così fan tutte; Dream Hunter; Commotio; Stephen Hough, LPO/Alsop – review

  • Caroline Sullivan Margo Guryan Someone I Know Singer-songwriter Margo Guryan doesn't interpolate Bach's Jesu just for kicks on this 1968 obscurity – the familiar melody helps conjure an enchanting sense of deja vu as the ethereal New Yorker sings of meeting a stranger she feels she's known her whole life.

    F&M playlist

  • "It's only a flesh-wound, and he isn't going to die," Sheldon managed to interpolate.

    Chapter 7


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