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An association between two organisms of different species in which each member benefits.

mu′tu·al·ist n.
mu′tu·al·is′tic adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.mutualist - mutually dependent
dependent - relying on or requiring a person or thing for support, supply, or what is needed; "dependent children"; "dependent on moisture"
References in periodicals archive ?
A partnership with a mutualist and cooperative governance, AG2R MONDIALE fosters a unique social protection model that closely combines profitability and solidarity, performance and social commitment.
The first mutualist plan was offered 400 years before the revolution when, in 1559, a physician from Spain offered a plan for medical care in exchange for a regular fee.
We will challenge our findings by testing beneficial fungi to assess commonalities and differences between mutualist and pathogen colonization.
pubescens clustered, as would be expected if there was concurrent spread of a disease or other pest species, or the concurrent decline of a mutualist.
Jon Lawrence has noted that 'advocates of One Nation Labour tend to be more comfortable with the state playing an enabling role in encouraging the spread of local mutualist organisations, hence their emphasis on the need to develop a more "relational state"' (Lawrence, 2013, 9; also see Muir and Cooke, 2012).
Decision makers and influencers from the international cooperative and mutualist community will gather in Quebec City, Canada, from October 6 to 9 for the 2014 International Summit of Cooperatives.
The IgA antibodies also provide a substrate that allows our mutualist bacteria to form the biofilms that line and protect the colon and appendix.
2, 2009) "A Critique of Mutualist Occupancy," Mises Economic Blog, archive.
In this regard, he mentions "economic entities that draw their origin from religious and lay initiatives," (62) "commercial entities based on mutualist principles and pursuing social ends," (63) and business enterprises that stand "over and above the simple distinction between 'private' and 'public.
Credit Agricole intends to fulfil its role as a leading European player with global scale, while complying with the commitments that stem from its mutualist background.
Freedom Is Slavery: Laissez-Faire Capitalism Is Government Invasion: A Critique of Kevin Carson's Studies in Mutualist Political Economy.