: cardiovascular exercise
30 minutes of cardio daily
Examples of cardio in a Sentence
Recent Examples on the Web
Bestreviews, Mercury News, 7 Nov. 2025
The stock surged in early September after the company posted strong phase 3 trial results for its lead cardio drug called Aficamten, a cardiac myosin inhibitor, which showed an improvement in exercise capacity in patients with obstructive hypertrophic cardiomyopathy.
—Pia Singh, CNBC, 28 Oct. 2025
Erica Sloan, SELF, 25 Nov. 2025
His strength training focuses on full-body movements combined with conditioning work, such as short sprints, weighted ruck hikes or zone-2 cardio, a low- to moderate-intensity exercise that keeps the heart rate at around 60% to 70% of its maximum.
—Kelly McGreal, FOXNews.com, 18 Nov. 2025
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Adjective
Using an exercise bike that is ergonomically designed can help minimize the likelihood of incurring an injury and allow the user to have longer cardio sessions.
—Bestreviews, Mercury News, 7 Nov. 2025
The stock surged in early September after the company posted strong phase 3 trial results for its lead cardio drug called Aficamten, a cardiac myosin inhibitor, which showed an improvement in exercise capacity in patients with obstructive hypertrophic cardiomyopathy.
—Pia Singh, CNBC, 28 Oct. 2025
Noun
Zone 2 cardio workouts have gotten a lot of love lately.
—Erica Sloan, SELF, 25 Nov. 2025
His strength training focuses on full-body movements combined with conditioning work, such as short sprints, weighted ruck hikes or zone-2 cardio, a low- to moderate-intensity exercise that keeps the heart rate at around 60% to 70% of its maximum.
—Kelly McGreal, FOXNews.com, 18 Nov. 2025
See All Example Sentences for cardio
Cite this Entry
“Cardio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cardio. Accessed 30 Nov. 2025.
Copy CitationMedical Definition
cardio
1 of 2 adjective
car·dio
ˈkärd-ē-(ˌ)ō 
: cardiovascular sense 2
cardio exercises
worked out on cardio machines
cardio
2 of 2 noun
: cardiovascular exercise
30 minutes of cardio daily
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