extrapolate: Meaning and Definition of

ex•trap•o•late

Pronunciation: (ik-strap'u-lāt"), [key]

— v., -lat•ed, -lat•ing.

—v.t.

to infer (an unknown) from something that is known; conjecture.
to estimate (the value of a variable) outside the tabulated or observed range.
to estimate (a function that is known over a range of values of its independent variable) to values outside the known range.

—v.i.

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