Definition of antibiosis in English:

antibiosis

noun

Biology
  • [mass noun] An antagonistic association between two organisms (especially microorganisms), in which one is adversely affected.

    Compare with symbiosis
    • ‘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 direct mechanisms involved in this protective effect include competition, antibiosis, and mycoparasitism.’
    • ‘An example of this process, called antibiosis, is provided by marigold roots, which release chemicals that are toxic to several species of fungi.’
    • ‘Antibiosis is often caused by the production of toxic chemicals by the plant.’
    • ‘The types of resistance bred into resistant hybrids are ‘tolerance’ and ‘antibiosis.’’

Origin

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

Pronunciation:

antibiosis

/ˌantɪbʌɪˈəʊsɪs/