# linearity

> English word · Noun · IPA /ˌlɪniˈæɹəti/ · frequency rank #50,047

## Definitions
1. The state of being linear.
2. A relationship between several quantities which can be considered as proportional and expressed in terms of linear algebra, or any mathematical property of a relationship, operation or function that is analogous to such proportionality, satisfying additivity and homogeneity.

## Etymology
From linear + -ity.

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