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sinusitis

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si⋅nus⋅i⋅tis

[sahy-nuh-sahy-tis]
–noun Pathology.
inflammation of a sinus or the sinuses.

Origin:
1900–05; < NL; see sinus, -itis
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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si·nus·i·tis   (sī'nə-sī'tĭs)   
n.  Inflammation of the sinuses or a sinus, especially in the nasal region.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: si·nus·itis
Pronunciation: "sI-n(y)&-'sIt-&s
Function: noun
: inflammation of a sinus of the skull
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

sinusitis si·nus·i·tis (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.
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