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antibiosis Syllabification: an·ti·bi·o·sis
Pronunciation: /ˌantēbīˈōsis/ /ˌantī-/

Definition of antibiosis in English:


An antagonistic association between two organisms (especially microorganisms), in which one is adversely affected. See also symbiosis.
Example sentences
  • The plates were incubated at 28°C and observed for antibiosis after 24 hours in case of yeasts and 96 hours in case of moulds.
  • The types of resistance bred into resistant hybrids are ‘tolerance’ and ‘antibiosis.’
  • The direct mechanisms involved in this protective effect include competition, antibiosis, and mycoparasitism.


Late 19th century: from anti- + a shortened form of symbiosis.

Definition of antibiosis in:

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