Word Study
econometrics
CIDE DICTIONARY
econometrics, n.
the application of mathematics and statistics to the study of economic and financial data. [WordNet 1.5]
OXFORD DICTIONARY
econometrics, n.pl. (usu. treated as sing.) a branch of economics concerned with the application of mathematical economics to economic data by the use of statistics.
Derivative
econometric adj. econometrical adj. econometrician n. econometrist n.
Etymology
ECONOMY + METRIC
For further exploring for "econometrics" in Webster Dictionary Online