A substance used to prevent or treat diarrhea. (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.
Use "antidiarrheal" in a sentence
"… Brought to you by a company that specializes in OTC antidiarrheal preparations."
"Aluminum silicate Also called kaolin, this clay mineral was the "kao" in antidiarrheal Kaopectate until 1989."
"An HIV-infected child, in the lap of his dying mother, antidiarrheal medicine mixing with tears on a small face that had no power to grasp the scale of the tragedy building around and within him."