sym·bi·o·sis[sim-bee-oh-sis, -bahy-] Show IPA
noun, plural sym·bi·o·ses [-seez] Show IPA.
the living together of two dissimilar organisms, as inmutualism, commensalism, amensalism, or parasitism.
(formerly) mutualism ( def. 1 ) .
Psychiatry . a relationship between two people in which eachperson is dependent upon and receives reinforcement,whether beneficial or detrimental, from the other.
Psychoanalysis . the relationship between an infant and itsmother in which the infant is dependent on the mother bothphysically and emotionally.
any interdependent or mutually beneficial relationshipbetween two persons, groups, etc.