n.
Pronunciation: ˌ kär-d ē - ' ä-l ə -j ē
Function: noun
Etymology: International Scientific Vocabulary
Date: 1847
: the study of the heart and its action and diseases
– car · di · o · log · i · cal \ -d ē - ə - ' lä-ji-k ə l \ adjective
– car · di · ol · o · gist \ -d ē - ' ä-l ə -jist \ noun