sym·bi·o·sis /ˌsɪmbiˈoʊsəs/ noun plural sym·bi·o·ses /-ˈoʊˌsi:z/
1 biology :
the relationship between two different kinds of living things that live together and depend on each other [count
] — usually singular ▪ The bacteria exist in a symbiosis with the plant's roots.
] ▪ The bird lives in symbiosis with the hippopotamus.
2 formal :
a relationship between two people or groups that work with and depend on each other [count
] — usually singular ▪ There is a symbiosis between celebrities and the media.
] ▪ Their professional association was one of symbiosis.
— sym·bi·ot·ic /ˌsɪmbiˈɑ:tɪk/ adjective
▪ a symbiotic relationship
— sym·bi·ot·i·cal·ly /ˌsɪmbiˈɑ:tɪkli/ adverb