- to infer (an unknown) from something that is known; conjecture.
- Statistics. to estimate (the value of a variable) outside the tabulated or observed range.
- Mathematics. to estimate (a function that is known over a range of values of its independent variable) to values outside the known range.
- to perform extrapolation.
Origin of extrapolate
Related Wordsdeduce, hypothesize, guess, theorize, envision, figure, conclude, predict, anticipate, project, assume, foretell, foresee
Examples from the Web for extrapolate
The study used data collected from 11 states to extrapolate rates for the US as a whole.Rise in Autism Diagnoses Doesn't Surprise Doctors
March 29, 2014
We can use evidence from the present to extrapolate about the past.The Bill Nye-Ken Ham Debate Was a Nightmare for Science
February 5, 2014
A sound pension should plan for the time on the bottom, not extrapolate from the moment on top.Sorry, Folks: One Way or the Other, You'll Never Be Able to Completely Count on Retirement
March 15, 2013
But we can extrapolate from previous experience that decapitation does incentivize Hamas to ease up on its attacks.Do Targeted Killings “Work”?
Brent E. Sasley
November 16, 2012
There are enormous problems with trying to extrapolate the extent of sex trafficking from police arrest records.Sex-Trafficking Feud
July 7, 2011
They extrapolate a sequence beautifully—but they can be out-thought.
Do you extrapolate your mastications, too, and get frightened of the stink you might get?
"Jamison will extrapolate from there," Cochrane assured him.
The scientists had worked late, trying to extrapolate their data into some kind of prediction.The Flaming Mountain
Harold Leland Goodwin
Jamison began to extrapolate from his observations out the control-room port, adding film-clips for authority.
- maths to estimate (a value of a function or measurement) beyond the values already known, by the extension of a curveCompare interpolate (def. 4)
- to infer (something not known) by using but not strictly deducing from the known facts
Word Origin and History for extrapolate
1874, a back-formation from extrapolation by analogy of interpolate. Said in early references to be an expression of Sir George Airy (1801-1892), English mathematician and astronomer. Related: Extrapolated; extrapolating.
- To estimate the value of a quantity that falls outside the range in which its values are known.