Definition of "vasodilator" []

• Something, such as a nerve or drug, that causes vasodilation. (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.

• "Futura's condoms contain a gel with an agent that boosts blood flow—a so-called vasodilator—which is absorbed through the skin, enhancing erections."
• "It works as a vasodilator, that is, it increases the flow of blood and oxygen to the heart."
• "The Company's lead product candidate is Gencaro ™ (bucindolol hydrochloride), a pharmacologically unique beta-blocker and mild vasodilator, which is under review by the U.S."