# Lanchester equation

> English word · Noun

## Definitions
1. A differential equation describing the time dependence of two armies' strengths as a function of time.

## Etymology
Devised by Frederick Lanchester, English engineer.

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