# bilinear

> English word · Adjective · IPA /baɪˈlɪn.i.ə/ · frequency rank #74,766

## Definitions
1. Linear (preserving linear combinations) in each variable.
2. Of or pertaining to a Möbius transformation (type of conformal map representable as the ratio of two linear functions).

## Etymology
From bi- + linear.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bilinear