# mutualism

> English word · Noun · IPA /ˈmjuː.tʃʊ.əˌlɪz.m̩/ · frequency rank #90,750

## Definitions
1. Any interaction between two species that benefits both; typically involves the exchange of substances or services.
2. An economic theory and anarchist school of thought that advocates a society where each person might possess a means of production, either individually or collectively, with trade representing equivalent amounts of labor in the free market.

## Etymology
From mutual + -ism. Compare French mutualisme and Italian, Portuguese, and Spanish mutualismo.

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