from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To insert or introduce between other elements or parts.
  • intransitive verb To insert (material) into a text.
  • intransitive verb To insert into a conversation. synonym: introduce.
  • intransitive verb To change or falsify (a text) by introducing new or incorrect material.
  • intransitive verb To estimate a value of (a function or series) between two known values.
  • intransitive verb To create a continuous function that incorporates (a finite set of data), such as creating a curve that passes through a fixed set of points or a surface through a fixed set of curves.
  • intransitive verb To introduce estimated values of (pixel data) into a pixel array to improve the quality of an enlarged digital image.
  • intransitive verb To make insertions or additions.

from The Century Dictionary.

  • 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 the GNU version of the Collaborative International Dictionary of English.

  • transitive verb obsolete To renew; to carry on with intermission.
  • transitive verb 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 verb (Math.) 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 Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb mathematics To estimate the value of a function between two points between which it is tabulated.
  • verb computing 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.
  • verb transitive, intransitive To introduce (material) to change the meaning of or falsify a text.

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

  • verb estimate the value of
  • verb 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- in Indo-European roots.]


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

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  • 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.

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  • 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.

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  • 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

  • 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.

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  • 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.

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

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  • 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.

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  • 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.

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