To use known information to estimate or predict something not yet known
Examples:
Economists often extrapolate future trends from past data.She can extrapolate the outcome based on her vast experience.Scientists extrapolate climate changes using computer models.
Synonyms:
Antonyms:
Interpolate
To estimate or calculate a value within two known values in a sequence of values.
Examples:
The artist often interpolated modern themes into classic works.The mathematician interpolated values to complete the missing data.The historian interpolates disputed events to offer a fresh perspective.
Synonyms:
Antonyms:
Ways to tell them apart:
Both words involve estimating, but in different directions. Remember that interpolate means estimating within a known range.
Interpolate has an i like inside, which can remind you that it's about fitting within existing data.
In contrast, extrapolate extends beyond the known data range, like reaching out into the unknown.
Extrapolate has an extra, which helps remind us it goes beyond the existing data.
Inter is like inner, so interpolate stays within while extrapolate goes outward.