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).
Origin of -itis
< New Latin (or Latin) -ītis < Greek
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British Dictionary definitions for -itis
suffix forming nouns
indicating inflammation of a specified parttonsillitis
informal indicating a preoccupation with or imaginary condition of illness caused bycomputeritis; telephonitis
Word Origin for -itis
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
Medicine definitions for -itis
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.
Science definitions for -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.