What does "cardiology" mean?

The study of the structure, function, and disorders of the heart.

How do you pronounce "cardiology"?

Pronounced //ˌkɑː(ɹ)diˈɒlədʒi//.

Common synonyms include: cardiac medicine, cardiac science, cardio, cardiologists, cardiology department, cardiology division.

/ˌkɑː(ɹ)diˈɒlədʒi/ noun

noun ·Rare ·Advanced level

Noun

1
The study of the structure, function, and disorders of the heart. countable, uncountable
2
the branch of medicine dealing with the heart and its diseases wordnet

"She became the director of the cardiology department at the city hospital."

From cardio- + -logy.