adjective statistics
  1. (of several distributions) having different variances
  2. (of a bivariate or multivariate distribution) not having any variable whose variance is the same for all values of the other or others
  3. (of a random variable) having different variances for different values of the others in a multivariate distribution
Derived Formsheteroscedasticity (ˌhɛtərəʊskɪdæsˈtɪsɪtɪ), noun

Word Origin for heteroscedastic

C20: from hetero- + scedastic, from Greek skedasis a scattering, dispersal
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