mutualism

/ˈmju.t͡ʃu.əˌlɪz.m̩/

UK: /ˈmjuː.tʃʊ.əˌlɪz.m̩/

MJU · t͡ʃu · əlɪz · m̩ (4 syllables)

English Noun

Definition

Any interaction between two species that benefits both; typically involves the exchange of substances or services.

Etymology

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