[ ɪk'strapəleɪt , ɛk- ]
■ verb
1》 extend the application of (a method or conclusion) to different or larger groups.
2》 extend (a graph) by inferring unknown values from trends in the known data.
Derivatives
extrapolation noun
extrapolative adjective
extrapolator noun
Origin
C19: from extra- + a shortened form of interpolate .