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-itis

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a suffix used in pathological terms that denote inflammation of an organ (bronchitis; gastritis; neuritis) and hence, in extended senses, nouns denoting abnormal states or conditions, excesses, tendencies, obsessions, etc. (telephonitis; baseballitis).

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Origin of -itis

<New Latin (or Latin ) -ītis<Greek
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for -itis

-itis

suffix forming nouns

indicating inflammation of a specified parttonsillitis
informal indicating a preoccupation with or imaginary condition of illness caused bycomputeritis; telephonitis
New Latin, from Greek, feminine of -itēs belonging to; see -ite 1
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 -itis

-itis

suff.

Inflammation or disease of:laryngitis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for -itis

-itis

A suffix meaning “inflammation,” as in bronchitis, inflammation of the bronchial tubes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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