noun Pathology.

a narrowing or stricture of a passage or vessel.

Origin of stenosis

1855–60; < New Latin < Greek sténōsis. See steno-, -osis
Related formsste·not·ic [sti-not-ik] /stɪˈnɒt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of stenosis

British Dictionary definitions for stenosis


noun plural -ses (-siːz)

pathol an abnormal narrowing of a bodily canal or passage
Derived Formsstenotic (stɪˈnɒtɪk), adjective

Word Origin for stenosis

C19: via New Latin from Greek stenōsis, from stenoun to constrict, from stenos narrow
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

Word Origin and History for stenosis

1872, Modern Latin, from Greek stenosis "narrowing," from stenoun "to narrow," from stenos "narrow."

Online Etymology Dictionary, © 2010 Douglas Harper

stenosis in Medicine



n. pl. ste•no•ses (-sēz)

A constriction or narrowing of a duct or passage; a stricture.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.