cardioaccelerator

car·di·o·ac·cel·er·a·tor

[kahr-dee-oh-ak-sel-uh-rey-ter]
noun Pharmacology.
a substance that increases the heart rate.

Origin:
cardio- + accelerator

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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American Heritage
Medical Dictionary

cardioaccelerator car·di·o·ac·cel·er·a·tor (kär'dē-ō'āk-sěl'ə-rā'tər)
n.
An agent that increases the heart rate.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
00:10
Cardioaccelerator has a plethora of syllables.
So is supercalifragilisticexpialidocious. Does it mean:
(used as a nonsense word by children to express approval or to represent the longest word in English.)
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
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