aerobic vs. anaerobic

aerobic

adjective

  1. (of an organism or tissue) requiring the presence of air or free oxygen for life.
  2. pertaining to or caused by the presence of oxygen.
  3. of or utilizing the principles of aerobics:

    aerobic exercises;

    aerobic dances.

anaerobic

adjective

  1. (of an organism or tissue) living in the absence of air or free oxygen.
  2. pertaining to or caused by the absence of oxygen.