Dictionary.com

extrapolation

[ ik-strap-uh-ley-shuhn ]
/ ɪkˌstræp əˈleɪ ʃən /
Save This Word!

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.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

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. 2021

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.
FEEDBACK