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[truh-koh-muh] /trəˈkoʊ mə/
noun, Ophthalmology.
a chronic, contagious infection of the conjunctiva and cornea, characterized by the formation of granulations and scarring and caused by the bacterium Chlamydia trachomatis.
Origin of trachoma
1685-95; < Greek trā́chōma roughness, equivalent to trāch(ýs) rough + -ōma -oma
Related forms
[truh-kom-uh-tuh s, -koh-muh-] /trəˈkɒm ə təs, -ˈkoʊ mə-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for trachoma
Historical Examples
  • All he could conclude was that it was not ophthalmia or trachoma.

    The Leopard Woman Stewart Edward White
  • trachoma, if neglected, not only impairs the health of the eye, but may cause blindness.

    Civics and Health William H. Allen
  • When trachoma, the sickness of the eyes, was known as the scourge of the Sahara.

    Black Man's Burden Dallas McCord Reynolds
  • trachoma was eliminated, and no cases of rabies were reported in the 1967-69 period.

    Area Handbook for Albania Eugene K. Keefe
  • First they went to another "jungle," one where trachoma was bad.

    Across the Fruited Plain

    Florence Crannell Means
  • This is an operation for the removal of follicular formations in the conjunctiva, and is used more especially in trachoma.

  • trachoma, a virulent form of conjunctivitis, is a communicable eye disease which must be carefully safeguarded.

  • Two other "catching" diseases cause city schools a great deal of trouble,—trachoma and pediculosis (head lice).

    Civics and Health William H. Allen
  • Ten men were suffering from trachoma and are still being treated with protargol.

British Dictionary definitions for trachoma


a chronic contagious disease of the eye characterized by inflammation of the conjunctiva and cornea and the formation of scar tissue, caused by infection with the virus-like bacterium Chlamydia trachomatis
Derived Forms
trachomatous (trəˈkɒmətəs; -ˈkəʊ-) adjective
Word Origin
C17: from New Latin, from Greek trakhōma roughness, from trakhus rough
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
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Word Origin and History for trachoma

1690s, from Modern Latin trachoma, from Greek trakhoma "roughness," from trakhys "rough."

Online Etymology Dictionary, © 2010 Douglas Harper
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trachoma in Medicine

trachoma tra·cho·ma (trə-kō'mə)
A contagious disease of the conjunctiva and cornea, caused by the bacterium Chlamydia trachomatis and marked by inflammation, hypertrophy, and formation of granules of adenoid tissue. It is a major cause of blindness in Asia and Africa. Also called contagious granular conjunctivitis, Egyptian ophthalmia, granular conjunctivitis, granular ophthalmia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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trachoma in Science
A contagious disease of the conjunctiva and cornea, caused by the bacteria Chlamydia trachomatis and characterized by granules of inflammatory tissue. It is a major cause of blindness in Asia and Africa.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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