aerobic

adj. describes exercise that strengthens your heart and lungs by making you breathe more deeply.

adj. relating to or denoting exercise that improves the efficiency of the body's cardiovascular system in absorbing and transporting oxygen.

“Swimming and cycling are great aerobic exercises for improving your fitness.”

“The trainer recommended a consistent aerobic routine to enhance the athlete's endurance before the marathon season began.”

adj. describes a living thing that can only live or grow when oxygen is present.

adj. requiring free oxygen for life or survival; occurring only in the presence of oxygen.

“Some bacteria are aerobic and need air to grow in the lab.”

“The researchers identified several aerobic organisms in the upper layers of the soil where oxygen levels were highest.”

Technical

adj. relating to 'aerobics', which is a type of energetic physical class with music.

adj. pertaining to the system of energetic physical exercises often performed in a group setting to music.

“She bought new aerobic shoes for her dance fitness class on Tuesdays.”

“The community centre offers various aerobic sessions designed to accommodate different age groups and fitness levels.”