[ ob-stroo-uh nt ]
/ ˈɒb stru ənt /


Medicine/Medical. (of a substance) producing an obstruction.
Phonetics. (of a speech sound) characterized by stoppage or obstruction of the flow of air from the lungs.Compare sonorant.


Medicine/Medical. a medicine that closes the natural passages of the body.
Phonetics. an obstruent speech sound; a stop, fricative, or affricate.Compare sonorant(def 2).

Origin of obstruent

1660–70; < Latin obstruent- (stem of obstruēns, present participle of obstruere); see obstruct, -ent

Related forms

un·ob·stru·ent, adjectiveun·ob·stru·ent·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for obstruent


/ (ˈɒbstrʊənt) med /


causing obstruction, esp of the intestinal tract


anything that causes obstruction

Word Origin for obstruent

C17: from Latin obstruere to obstruct
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

Medicine definitions for obstruent


[ ŏbstrōō-ənt ]


Obstructing or closing the natural passages of the body.


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