Etymology
Advertisement

extrapolation (n.)

"an approximate calculation made by inferring unknown values from trends in the known data," 1867, noun of action from extrapolate by analogy of interpolation. The original sense was "an inserting of intermediate terms in a mathematical series." The transferred sense of "drawing of a conclusion about the future based on present tendencies" is from 1889.

Others are reading

Advertisement
Advertisement
Definitions of extrapolation

extrapolation (n.)
(mathematics) calculation of the value of a function outside the range of known values;
extrapolation (n.)
an inference about the future (or about some hypothetical situation) based on known facts and observations;
From wordnet.princeton.edu