ectocommensal

US:USA pronunciation: respellingUSA pronunciation: respelling(ek′tō kə men′səl)


WordReference Random House Unabridged Dictionary of American English © 2026
ec•to•com•men•sal  (ek′tō kə men′səl),USA pronunciation adj. 
  1. Ecology[Biol.](of an organism) living in a commensal relationship on the exterior of another organism.

n. 
  1. Ecology, Biologyan ectocommensal organism.
  • 1935–40; ecto- + commensal
ec′to•com•men′sal•ism, ec•to•com•men•sal•i•ty  (ek′tō kom′en sal′i tē),USA pronunciation n.  ec′to•com•men′sal•ly, adv. 

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