Definition of mutualism in English:

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Pronunciation: /ˈmyo͞oCHo͞oəˌlizəm/


1The doctrine that mutual dependence is necessary to social well-being.
Example sentences
  • Israeli credit cooperatives are a likely population to generate ideological mutualism for the coops.
  • Clearly fraternal mutualism was effective for meeting some of the economic needs for many non-whites and poorer members of American society.
  • It is significant that immigrants invariably chose Irish Catholic friends to act as sponsors where immediate relatives were unavailable, thereby placing these fictive ties on the same level as familial mutualism.
1.1 Biology Symbiosis that is beneficial to both organisms involved.
Example sentences
  • There are numerous other examples of symbiosis, mutualism, commensalism and parasitism between ray-finned fishes and other groups.
  • One of the best-known forms of mutualism involves insects that pollinate a host plant, then deposit offspring that will ultimately consume many of the seeds.
  • The presence of a commensal parasite that can display mutualism within a clade of known pathogens suggests dynamic evolutionary interactions.



noun& adjective
Example sentences
  • That individual directors instigated or were party to the merger brings into question whether they at any stage properly understood mutualism or were genuinely committed to mutualist principles.
  • Finally, there are costs associated with the loss of evolutionary flexibility, particularly in organisms or lineages obligately dependent upon mutualists.
  • Which factors favor the evolution of mutualists?


Pronunciation: /ˌmyo͞oCHo͞oəˈlistik/
Example sentences
  • In the ocean, both coral and deep-sea vent communities are rich with mutualisms; coral itself is the product of a mutualistic symbiosis.
  • While there may be many mutualistic relationships between plants and animals, often plants are more the victims rather than the beneficiaries of the relationship.
  • Additionally, many of the collaborations were mutualistic, and therefore the continuation of the innovation was of benefit to many.


Pronunciation: /ˌmyo͞oCHo͞oəˈlistik(ə)lē/
Example sentences
  • Like mycorrhizae, endophytic fungi are thought to interact mutualistically with their host plants mainly by increasing host resistance to herbivores and have been termed ‘acquired plant defenses’.
  • The majority of viruses, however, live symbiotically or mutualistically with their hosts, causing no harm.
  • Have a great productive life plan; think outside of the box; do something great for Earth's environment; dwell bioethically and mutualistically within human diversity and in the rest of biodiversity.

For editors and proofreaders

Syllabification: mu·tu·al·ism

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