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ectocommensal

[ek-toh-kuh-men-suh l]
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adjective
  1. Biology. (of an organism) living in a commensal relationship on the exterior of another organism.
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noun
  1. an ectocommensal organism.
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Origin of ectocommensal

First recorded in 1935–40; ecto- + commensal
Related formsec·to·com·men·sal·ism, ec·to·com·men·sal·i·ty [ek-toh-kom-en-sal-i-tee] /ˌɛk toʊˌkɒm ɛnˈsæl ɪ ti/, nounec·to·com·men·sal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018