- of, relating to, or having two variates.
Origin of bivariate
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- statistics (of a distribution) involving two random variables, not necessarily independent of one another
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for bivariate
Online Etymology Dictionary, © 2010 Douglas Harper