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extrapolation

[ ik-strap-uh-ley-shuhn ]
/ ɪkˌstræp əˈleɪ ʃən /
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noun
an act or instance of inferring an unknown from something that is known.
Statistics, Mathematics. the act or process of estimating the value of a variable or function outside the tabulated or observed range.
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Origin of extrapolation

First recorded in 1870–75; extrapolat(e) + -(t)ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use extrapolation in a sentence

Cultural definitions for extrapolation

extrapolation
[ (ik-strap-uh-lay-shuhn) ]

A mathematical procedure designed to enable one to estimate unknown values of a parameter from known values. A common method of extrapolation is to look at data on a curve, then extend the curve into regions for which there is no data. Extrapolation is often used to predict the future.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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