noun

cardio

cardio

I do cardio three times a week.

I do cardio three times a week.

((to do)) cardio to perform cardiovascular exercise I do cardio three times a week.

Synonyms: aerobic exercise, aerobics, endurance training

A shortened form of 'cardiovascular exercise'. The root is from the Greek 'kardia', which means 'heart'.

Remember that cardio is all about strengthening your heart. The word itself starts with the root for 'heart'.

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