car·di·ol·o·gy 
(kär′dē-ŏlə-jē)
(kär′dē-ŏlə-jē)n.
The branch of medicine that deals with the diagnosis and treatment of diseases and disorders of the heart.
car′di·o·logi·cal (-ə-lŏjĭ-kəl) adj.
car′di·olo·gist n.
- interrogatory
- interrupt
- interrupter
- interruptible
- interruption
- interruptive
- interscholastic
- interscholastically
- inter se
- intersect
- intersection
- intersectionality
- intersession
- intersessional
- intersex
- intersexual
- intersexuality
- intersexually
- interspace
- interspatial
- interspecies
- interspecific
- intersperse
- interspersedly
- interspersion