Cardio meaning

kär'dē-ō
Heart.

Cardiovascular.

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Cardiovascular.
adjective
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Exercise that increases heart rate.
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Cardiovascular.
adjective
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Exercise that increases heart rate.
noun
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Cardiovascular.
adjective
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Exercise that increases heart rate.
noun
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Cardiovascular; pertaining to the health of the circulatory and respiratory systems.
adjective
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(exercise (sport)) cardiovascular exercise.

I did some cardio today instead of lifting weights.

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Origin of cardio

  • Greek kardio- from kardiā heart kerd- in Indo-European roots
    From American Heritage Dictionary of the English Language, 5th Edition
  • From a shortening of cardiovascular.
    From Wiktionary