# interpolation

[in-tur-puh-ley-shuh n] /ɪnˌtɜr pəˈleɪ ʃən/
noun
1.
the act or process of interpolating or the state of being interpolated.
2.
something interpolated, as a passage introduced into a text.
3.
Mathematics.
1. the process of determining the value of a function between two points at which it has prescribed values.
2. a similar process using more than two points at which the function has prescribed values.
3. the process of approximating a given function by using its values at a discrete set of points.
Origin of interpolation
1605-1615
1605-15; < Latin interpolātiōn- (stem of interpolātiō). See interpolate, -ion
Related forms
noninterpolation, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for interpolation
Historical Examples
• There is no mention of Balyn's sword: this is clearly an interpolation of M.

Jessie L. Weston
• “—And I believed you, and you know it,” she finished, not noticing his interpolation.

Anne Warner
• The aim now was to reconstruct the entire finger print by two successive and independent acts of interpolation.

Francis Galton
• Neither Jane nor Cleigh apparently heard this interpolation.

Harold MacGrath
• This passage has been set aside as an interpolation by both Spiegel and Haug.

James Freeman Clarke
• The distich may be an interpolation, or at least deeply corrupted in its present form.

• In addition, the interpolation may be the exact contrary of what the author intended.

Camille Saint-Sans
• The passage in question has all the appearance of an interpolation by some scribe.

David Eugene Smith
• It is very possible that it may have been an interpolation of the Christians.

Franois-Marie Arouet (AKA Voltaire)
• The interpolation is nothing but an exposition written into the text.

William Alexander
British Dictionary definitions for interpolation

## interpolation

/ɪnˌtɜːpəˈleɪʃən/
noun
1.
the act of interpolating or the state of being interpolated
2.
something interpolated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for interpolation
n.

1610s, from French interpolation (early 17c.), or directly from Latin interpolationem (nominative interpolatio), noun of action from past participle stem of interpolare (see interpolate).

Online Etymology Dictionary, © 2010 Douglas Harper
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interpolation in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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### Difficulty index for interpolation

Many English speakers likely know this word

### Word Value for interpolation

15
19
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