Mutualism definition, a relationship between two species of organisms in which both benefit from the association. See more. read more
mutualism [myōō ′ chōō-ə-lĭz′əm] A relationship between two organisms in which each of the organisms benefits. ♦ In obligate mutualism the interacting species are interdependent and cannot survive without each other. read more
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mutualism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. read more