anaerobiosis
/ˌanərə(ʊ)bʌɪˈəʊsɪs/ /aˌnɛːrə(ʊ)bʌɪˈəʊsɪs/(also anaërobiosis, anerobiosis)
noun
Existence of or occurrence in the absence of oxygen; growth or cultivation (especially of microorganisms) under anaerobic conditions; the ability to live anaerobically.
Origin
Late 19th century. From anaero- + -biosis, after Danish anaërobiose. Compare slightly earlier anaerobe and anaerobiotic.