Is “Extrapolation” a Scrabble word?
Yes
EXTRAPOLATION
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Extrapolation
noun
1.A calculation of an estimate of the value of some function outside the range of known values.
2.An inference about some hypothetical situation based on known facts.
3.The diametric opposite of interpolation.