From Longman Dictionary of Contemporary Englishextrapolateex‧trap‧o‧late /ɪkˈstræpəleɪt/ verb [intransitive, transitive] GUESSto use facts about the present or about one thing or group to make a guess about the future or about other things or groupsextrapolate (something) from something It is possible to extrapolate future developments from current trends. You’re extrapolating from your own feelings to mine.extrapolate (something) to something These results cannot, however, be extrapolated to other patient groups. —extrapolation /ɪkˌstræpəˈleɪʃən/ noun [countable, uncountable]→ See Verb table
Examples from the Corpus
extrapolate• The figures are wildly optimistic, and could only have been extrapolated from a short trial of about 10 operations.• Like carbon and oxygen, what is known has been extrapolated from reductionist experiments in the lab and computer modeling.• You're extrapolating from your own feelings to mine.• Generally Helen would extrapolate on one of the more testing programmes coming out of her department.• Worsley and his colleagues have extrapolated these effects of the Supercontinental Cycle back into the Precambrian.• How far is it reasonable to extrapolate these results to the non-poor is a highly debatable point.• These cost data were then extrapolated to a 200 megawatt plant using various scale factors.From Longman Business Dictionaryextrapolateex‧trap‧o‧late /ɪkˈstræpəleɪt/ verb [transitive] formal to separate and examine the facts about something, and to form an opinion based on your knowledge of those factsThe figures are wildly optimistic, and could only have been extrapolated from a very small medical trial.We obtained a picture of the economy by extrapolating past trends. —extrapolation noun [uncountable]By a process of extrapolation, it can be estimated that there are about 3,500 professionals employed in the industry.→ See Verb tableOrigin extrapolate (1800-1900) Latin extra ( → EXTRA-) + English -polate (as in interpolate) 