anaerobic anaerobic /ˌænəˈrəʊbɪk/

adjective

1. () Living or active in the absence of free oxygen  ( anaerobiotic , anaerobic )
   living or active in the absence of free oxygen
    Anaerobic bacteria
   anaerobic bacteria
   
2. Not aerobic  ( anaerobic )
   not aerobic
    Isometric exercises are anaerobic
   isometric exercises are anaerobic