commensalism

noun
com·​men·​sal·​ism | \ kə-ˈmen(t)-sə-ˌli-zəm How to pronounce commensalism (audio) \

Definition of commensalism

: a relation between two kinds of organisms in which one obtains food or other benefits from the other without damaging or benefiting it

First Known Use of commensalism

1870, in the meaning defined above

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The first known use of commensalism was in 1870

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commensalism

noun
com·​men·​sal·​ism | \ -sə-ˌliz-əm How to pronounce commensalism (audio) \

Medical Definition of commensalism

: a relation between two kinds of organisms in which one obtains food or other benefits from the other without damaging or benefiting it

More from Merriam-Webster on commensalism

Britannica.com: Encyclopedia article about commensalism

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