You searched for: “microaerophilic
microaerophilic (adjective) (not comparable)
1. Concerning growth in an oxygen concentration significantly less than that of the atmosphere: Microaerophilic life forms can develop in an environment where the partial pressure of oxygen is significantly below normal atmospheric levels but which is not fully anaerobic.
3. Referring to a tiny organism which is capable of living in an environment where there is not much oxygen: A microaerophilic form of life can be a bacterium that can thrive in an environment with less oxygen than normal.