commensalismecommon nounSyllable DecompositioncommensalismeEtymologyexpandsee commensal and -ism.Definition1. A type of facultative biological interaction between two living beings in which the host provides part of its own food to the commensal, which does not harm or disturb it as in parasitism; however, it does not receive any obvious benefit from the latter (the benefit of this relationship is not reciprocal) as in symbiosis.biologieexpandLe commensalisme est une relation non obligatoire à la survie de l'un ou l'autre des individus.PluralcommensalismesTranslationsenglish:commensalismitalian:commensalismoSee alsocommensal (cn.)