Oxford Dictionary English cardiologist noun noun BrE BrE//ˌkɑːdiˈɒlədʒɪst// ; NAmE NAmE//ˌkɑːrdiˈɑːlədʒɪst// Add to my wordlistjump to other resultsa doctor who studies and treats heart diseases Oxford Collocations DictionaryCardiologist is used after these nouns: consultant See full entry Wordfinderspecialistcardiologist, dermatologist, gynaecologist, neurologist, obstetrician, ophthalmologist, paediatrician, psychiatrist, radiologist, specialistSee cardiologist in the Oxford Advanced American DictionaryCheck pronunciation: cardiologist oxfordlearnersdictionaries.com