Definition of aerobic
1 : living, active, or occurring only in the presence of oxygen
aerobic respiration
2 : of, relating to, or induced by aerobes
aerobic fermentation
3a : of, relating to, or being activity which increases the body's demand for oxygen thereby resulting in marked temporary increase in respiration and heart rate
stationary bicycles used for aerobic conditioning an aerobic workout Aerobic exercise involves pushing your heart rate to 70% to 85% of its maximum, and keeping it there for 20 to 60 minutes at a time.— Tara Parker-Pope
b : of or relating to the body's ability to consume oxygen during exercise
… the average exerciser can skip a couple of weeks without experiencing declines in aerobic capacity or the ability of the heart and lungs to supply the muscles with oxygen … — Consumer Reports on Health
c : relating to, resulting from, or used in aerobics or aerobic activity
aerobic equipment
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Time Traveler for aerobic
The first known use of aerobic was in 1875
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