trachoma

noun

tra·​cho·​ma trə-ˈkō-mə How to pronounce trachoma (audio)
: a chronic contagious bacterial conjunctivitis marked by inflammatory granulations on the conjunctival surfaces, caused by a chlamydia (Chlamydia trachomatis), and commonly resulting in blindness if left untreated

Examples of trachoma in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
All the trachoma experts in Pakistan gathered to figure out what to do. Gabrielle Emanuel, NPR, 30 Dec. 2024 Besides democracy promotion and conflict resolution, the center has also long been involved in several global health programs, including fighting Guinea worm, river blindness, trachoma, schistosomiasis, lymphatic filariasis and malaria. Tal Axelrod, ABC News, 29 Dec. 2024 Other public health scientists probed this idea further by conducting mass antibiotic distribution trials in places where trachoma wasn’t found. Jess Craig, Vox, 5 Dec. 2024 There, she was told about how limited access to clean water and sanitation can lead to trachoma, and some of the work being undertaken to screen and treat those with the condition at a primary eye care clinic. Simon Perry, Peoplemag, 12 Oct. 2023 Merck and Pfizer have made important drug donations to tackle diseases such as onchocerciasis and trachoma. Sonia Shah, Foreign Affairs, 9 Nov. 2011

Word History

Etymology

New Latin, from Greek trachōma, from trachys rough

First Known Use

circa 1693, in the meaning defined above

Time Traveler
The first known use of trachoma was circa 1693

Browse Nearby Words

Cite this Entry

“Trachoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trachoma. Accessed 30 Jun. 2026.

Kids Definition

trachoma

noun
tra·​cho·​ma trə-ˈkō-mə How to pronounce trachoma (audio)
: a serious contagious eye disease that is marked by swelling of the conjunctiva, is caused by a bacterium, and often results in blindness if left untreated

Medical Definition

trachoma

noun
tra·​cho·​ma trə-ˈkō-mə How to pronounce trachoma (audio)
: a chronic contagious conjunctivitis marked by inflammatory granulations on the conjunctival surfaces, caused by a bacterium of the genus Chlamydia (C. trachomatis), and commonly resulting in blindness if left untreated
trachomatous adjective

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