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extrapolate (something) from (something)

To deduce information from something Yeah, I extrapolated that they broke up from the scene I walked in on—Lauren sitting in the dark and crying with no sign of her so-called boyfriend anywhere.
See also: extrapolate
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

extrapolate something from something

to reason out the answer from the known facts. I cannot extrapolate what he meant from these notes. Can you extrapolate the annual total from the company's sales so far this year?
See also: extrapolate
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
He cautions, however, that it's difficult to accurately extrapolate from findings in a limited area to an entire country, as Page's team has attempted to do.
Other scientists caution that it may not be easy to extrapolate the new work to elderly people.
Vatican Radio refuses to make public the power and direction of the transmissions from rotating antennas, making it impossible to extrapolate radiation doses from one area to an adjacent one.--J.R.
To extrapolate to Earth's inner core, Heinz and his colleagues recently studied alloys of iron and silicon at temperatures up to 2,100 [degrees] C and pressures exceeding 800,000 times atmospheric pressure at sea level.
"It's difficult to extrapolate from these animal data whether or not the effect would be the same on humans." Lai says.
However, because there's little data on actual crowd behavior for testing the new model, he says it's premature to extrapolate the simulation results to real-world situations.
"It's safer not to extrapolate too far," says study coauthor Catherine Schairer, an epidemiologist at NCI.
"From a very short period of time, you can't extrapolate the rate of change of a very slow process," he says.
Lopez extrapolates from the illogical, lobs in some gallows humor, and creates new absurdities.
Admitting the incomplete and faulty nature of these sources, Trexler nevertheless extrapolates from them to con-dude that in North and South America it would be difficult to find a single tribe without berdaches (121); probably each village had at least two or three, and in cities there were many more in temples and chieftains' retinues (125).
CORRECTION: This study, by the research arm of Planned Parenthood, mocks scientific analysis and extrapolates from extremely dubious assumptions.
The second is that the book's conclusion, very interesting in its own right, extrapolates from British experience to the global condition.