- of, relating to, or having reference to two lines: bilinear coordinates.
- of the first degree in each of two variables, as an equation.
Origin of bilinear
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of or referring to two lines
- of or relating to a function of two variables that is linear in each independently, as f(x, y) = xy
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 bilinear
Online Etymology Dictionary, © 2010 Douglas Harper