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aer·o·bic

aerobic

pronunciation:
eI ro bihk
features:
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part of speech: adjective
definition 1: occurring or living only in the presence of oxygen.
Fish are aerobic creatures.
definition 2: tending to stimulate the heart and lungs and thereby improve the body's ability to utilize oxygen.
Running is an aerobic exercise.
 
definition 3: of or pertaining to aerobes, such as bacteria.
derivation: aerobically (adv.)
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  exercise