bilinear

[ bahy-lin-ee-er ]

adjective

, Mathematics.

1. of, relating to, or having reference to two lines:

   bilinear coordinates.

2. of the first degree in each of two variables, as an equation.

bilinear

/ baɪˈlɪnɪə /

adjective

1. of or referring to two lines
2. of or relating to a function of two variables that is linear in each independently, as f( x , y ) = xy

Word History and Origins

Origin of bilinear¹

First recorded in 1850–55; bi- ¹ + linear

Example Sentences

For mapping purposes, the resolution of the data was increased using bilinear interpolation.

From Washington Post

The core idea of Patarin’s attack is that the bilinear equation is equivalent to a secret bilinear equation E on the bits of hashes and signatures.

From Nature

Of, pertaining to, or included by, two lines; as, bilinear co”rdinates.

From Project Gutenberg

The elegant design of its light-detecting sensors—a technology called bilinear gain—allowed it to view light that reflected off of dark ocean as well as bright land.

From US News