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English definition of “aerobics”

aerobics

noun [U] uk   /eəˈrəʊ.bɪks/ us    /erˈoʊ-/
energetic physical exercises, often performed with a group of people to music, that make the heart, lungs, and muscles stronger and increase the amount of oxygen in the blood: She does aerobics. I go to aerobics (= to a class where we are taught such exercises) once a week. an aerobics instructor/teacher
aerobic
adjective uk   /eəˈrəʊ.bɪk/ us    /erˈoʊ-/
aerobic exercise
(Definition of aerobics from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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