n.
Pronunciation: - ˌ graf
Function: noun
Etymology: International Scientific Vocabulary
Date: 1870
: an instrument that graphically registers movements of the heart
– car · dio · graph · ic \ ˌ kär-d ē - ə - ' gra-fik \ adjective
– car · di · og · ra · phy \ ˌ kär-d ē - ' ä-gr ə -f ē \ noun