aerobic

adjective3

1. •
   Living or occurring only in the presence of oxygen e.g. aerobic bacteria.

   • The bacteria require an aerobic environment to grow.
2. •
   Of exercise, performed while maintaining a sufficient supply of oxygen to meet bodily energy needs.
3. •
   Of or relating to aerobics.

   • She does aerobic exercise three times a week.
   • He joined an aerobic fitness class at the gym.