Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

trachoma

play
noun tra·cho·ma \trə-ˈkō-mə\

Definition of trachoma

  1. :  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



Origin and Etymology of trachoma

New Latin, from Greek trachōma, from trachys rough


First Known Use: circa 1693


Medical Dictionary

trachoma

play
noun tra·cho·ma \trə-ˈkō-mə\

Medical Definition of trachoma

  1. :  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

\trə-ˈkō-mət-əs, -ˈkäm-ət-əs\play play adjective



Learn More about trachoma

  1. Medical Dictionary: Definition of trachoma Britannica.com: Encyclopedia article about trachoma


Seen and Heard

What made you want to look up trachoma? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to destroy or remove completely

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

two-chairs-on-a-pier-by-the-ocean-in-summer

Which of the following words means “of or relating to summer”?

vernal estival brumal hiemal
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ