commensalism

noun

com·​men·​sal·​ism kə-ˈmen(t)-sə-ˌli-zəm How to pronounce commensalism (audio)
: a relation between two kinds of organisms in which one obtains food or other benefits from the other without damaging or benefiting it

Example Sentences

Recent Examples on the Web Other types of symbiosis include parasitism, commensalism, and amensalism. Liz Langley, National Geographic, 25 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'commensalism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1870, in the meaning defined above

Time Traveler
The first known use of commensalism was in 1870

Dictionary Entries Near commensalism

Cite this Entry

“Commensalism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/commensalism. Accessed 26 Nov. 2022.

Kids Definition

commensalism

noun

com·​men·​sal·​ism kə-ˈmen(t)-sə-ˌliz-əm How to pronounce commensalism (audio)
: a relation between two kinds of plants or animals in which one obtains a benefit (as food) from the other without damaging or benefiting it

Medical Definition

commensalism

noun

com·​men·​sal·​ism -sə-ˌliz-əm How to pronounce commensalism (audio)
: a relation between two kinds of organisms in which one obtains food or other benefits from the other without damaging or benefiting it

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