1. An instrument for registering the beats of the pulse.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• cardiogram,
• xardiograph,
• vardiograph,
• fardiograph,
• dardiograph,
• czrdiograph,
• csrdiograph,
• cwrdiograph,
• cqrdiograph,
• cardioghraph,
• cardiograpgh,
• cardiography,
• cadiograph,
• cardiograh,
• cardiograhp,
• cardiograpic,
• cardiographc,
• cardiographiic,
• cardiographik,
• cardiographyy

• cardiography,
• cardiospermum,
• cardiospasm,
• cardiogram,
• cartographical,
• cartographer,
• cartography,
• cardiographic,
• cartographic.

The adjective form of the word "cardiograph" is "cardiographic".

The plural of the "cardiograph" can be the "cardiographs".

The singular of the "cardiograph" can be the "cardiograph".