aerobics
plural nounDefinition of aerobics
1
singular or plural in construction
: a system of physical conditioning involving exercises (such as running, walking, swimming, or calisthenics) strenuously performed so as to cause marked temporary increase in respiration and heart rate
2
: aerobic exercises
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Merriam-Webster unabridged
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Time Traveler for aerobics
The first known use of aerobics was in 1967
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