sinusitis

[ sahy-nuh-sahy-tis ]
/ ˌsaɪ nəˈsaɪ tɪs /

noun Pathology.

inflammation of a sinus or the sinuses.

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Origin of sinusitis

From New Latin, dating back to 1900–05; see origin at sinus, -itis

Words nearby sinusitis

sinus of valsalva, sinus of vena cava, sinus pause, sinus rhythm, sinus sabaeus, sinusitis, sinusoid, sinusoidal, sinusoidal projection, sinusotomy, sinǔiju
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for sinusitis

sinusitis
/ (ˌsaɪnəˈsaɪtɪs) /

noun

inflammation of the membrane lining a sinus, esp a nasal sinus
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 sinusitis

sinusitis
[ sī′nə-sī′tĭs ]

n.

Inflammation of the mucous membrane of a sinus, especially of the paranasal sinuses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.