symbiosis

 
Pronunciation: /ˌsɪmbɪˈəʊsɪs, -bʌɪ-/

noun (plural symbioses /-siːz/)

[mass noun] Biology
  • interaction between two different organisms living in close physical association, typically to the advantage of both. Compare with antibiosis.
  • [count noun] a mutually beneficial relationship between different people or groups: a perfect mother and daughter symbiosis

Derivatives

symbiotic

Pronunciation: /-ˈɒtɪk/
adjective

symbiotically

Pronunciation: /-ˈɒtɪk(ə)li/
adverb

Origin:

late 19th century: modern Latin, from Greek sumbiōsis 'a living together', from sumbioun 'live together', from sumbios 'companion'