Meaning of cardioaccelerator

car•di•o•ac•cel•er•a•tor

Pronunciation: (kär"dē-ō-ak-sel'u-rā"tur), [key]
— n. Pharm.
  1. a substance that increases the heart rate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.