[ ik-spek-ter-uh nt ]
/ ɪkˈspɛk tər ənt /
Medicine/Medical, Pharmacology


promoting the discharge of phlegm or other fluid from the respiratory tract.


an expectorant medicine.


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Origin of expectorant

1775–85; < Latin expectorant- (stem of expectorāns), present participle of expectorāre to expectorate; see -ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for expectorant

British Dictionary definitions for expectorant

/ (ɪkˈspɛktərənt) med /


promoting the secretion, liquefaction, or expulsion of sputum from the respiratory passages


an expectorant drug or agent
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for expectorant

[ ĭk-spĕktər-ənt ]


Promoting or facilitating the secretion or expulsion of phlegm, mucus, or other matter from the respiratory tract.


An expectorant medicine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for expectorant

[ ĭk-spĕktər-ənt ]

A drug that promotes the discharge of phlegm or mucus from the respiratory tract.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.