[ truh-koh-muh ]

  1. 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

Other words from trachoma

  • tra·chom·a·tous [truh-kom-uh-tuhs, -koh-muh-], /trəˈkɒm ə təs, -ˈkoʊ mə-/, adjective

Words Nearby trachoma Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use trachoma in a sentence

British Dictionary definitions for trachoma


/ (trəˈkəʊmə) /

  1. 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

Origin of trachoma

C17: from New Latin, from Greek trakhōma roughness, from trakhus rough

Derived forms of trachoma

  • trachomatous (trəˈkɒmətəs, -ˈkəʊ-), adjective

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

Scientific definitions for trachoma


[ trə-kō ]

  1. 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.

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