Definition of "ballistocardiograph" []

• A device used to determine the volume of blood passing through the heart in a specific period of time and the force of cardiac contraction by measuring the body's recoil as blood is ejected from the ventricles with each heartbeat. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.