symbiosis

From Ancient Greek συμβίωσις (sumbíōsis, “living together”); synchronically, syn- +‎ -biosis.

• (General American) IPA^(key): /sɪmbaɪˈoʊsɪs/, /sɪmbiˈoʊsɪs/
• Rhymes: -əʊsɪs

symbiosis (plural symbioses)

1. A relationship of mutual benefit, especially among different species.
   1. (ecology) A close, prolonged association between two or more organisms of different species that normally benefits both members. An interspecies coöperation.
2. (biology) A close, prolonged association between two or more organisms of different species, regardless of benefit to the members.
3. (possibly obsolete) The state of people living together in a community.

• Symbionese
• symbiotic

• semiosis
• symbiont
• symbiote