aerobics

WORDNET DICTIONARY

aerobics(n = noun.act) aerobic exercise - exercise that increases the need for oxygen; Array

is a kind of cardiopulmonary exercise

Derived form adjective aerobic₂

aerobics, n. pl., but sing. or pl. in us

physical exercises performed in a sustained and strenuous fashion designed to cause a temporary increase in respiration rate and heart rate, such a running, swimming, walking, or calisthenics. Calisthenic sessions in groups, performed by following a leader in moving to a rhythmic musical accompaniment, are a popular form of aerobics. [PJC.]
a system of physical conditioning relying largely on aerobics exercises. [PJC.]

aerobics, n.pl. vigorous exercises designed to increase the body's oxygen intake.

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