commensally

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com·men·sal

C0508100 (kə-mĕn′səl)adj. Of, relating to, or characterized by a symbiotic relationship in which one species is benefited while the other is unaffected.n. An organism participating in a symbiotic relationship in which one species derives some benefit while the other is unaffected.
[Middle English, sharing a meal, from Medieval Latin commēnsālis : Latin com-, com- + Latin mēnsa, table.]
com·men′sal·ly adv.
Thesaurus
Adv.1.commensally - in a commensal manner