anaerobiosis

From an- +‎ aerobiosis; by surface analysis, an- +‎ aero- +‎ -biosis.

anaerobiosis (countable and uncountable, plural anaerobioses)

1. (biology) Any form of life that is sustained in the absence of air (or oxygen)
   • 1913, John William Henry Eyre, The Elements of Bacteriological Technique‎:

     This last method is the most satisfactory for anaerobic cultivations, as by its means complete anaerobiosis can be obtained with the least expenditure of time and trouble.

• aerobiosis

• anaerobiotic