sinusitis

[ sahy-nuh-sahy-tis ]

/ ˌsaɪ nəˈsaɪ tɪs /

noun Pathology.

inflammation of a sinus or the sinuses.

Nearby words

sinus of valsalva, sinus of vena cava, sinus pause, sinus rhythm, sinus sabaeus, sinusitis, sinusoid, sinusoidal, sinusoidal projection, sinusotomy, sinǔiju

Origin of sinusitis

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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

Word Origin and History for sinusitis

sinusitis

"inflammation of the sinuses," 1896; see sinus + -itis.

Medicine definitions for sinusitis

sinusitis

[ sī′nə-sī′tĭs ]

n.

Inflammation of the mucous membrane of a sinus, especially of the paranasal sinuses.