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colitis

American  
[kuh-lahy-tis, koh-] / kəˈlaɪ tɪs, koʊ- /

noun

Pathology.
  1. inflammation of the colon.


colitis British  
/ kɒˈlɪtɪk, kə-, kɒˈlaɪtɪs, ˌkɒləˈnaɪtɪs /

noun

  1. inflammation of the colon

"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

colitis Scientific  
/ kə-lītĭs /
  1. Inflammation of the colon.


colitis Cultural  
  1. An inflammation of the mucous membrane that lines the colon. Colitis is characterized by pain in the abdomen, with alternating episodes of constipation and diarrhea.


Other Word Forms

  • colitic adjective

Etymology

Origin of colitis

col- 2 + -itis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Another time, when Kavanagh was suffering ulcerative colitis, he brought his laptop and worked from a hospital bed.

From Los Angeles Times • Apr. 5, 2026

Lucy Smith-Butler, from Rochdale, Greater Manchester, was diagnosed with ulcerative colitis in 2017.

From BBC • Mar. 24, 2026

Abivax’s primary drug, obefazimod for ulcerative colitis, is in late-stage clinical trials and not yet approved for sale.

From Barron's • Jan. 12, 2026

After passing through mouse models with colitis, the sensors detected gastrointestinal bleeding within minutes.

From Science Daily • Nov. 21, 2025

As he and his family traveled through Heidelberg, he slipped into a coma, the result apparently of a combined assault of diabetes, colitis, and his foot infection, all worsened by a bout of food poisoning.

From "The Devil in the White City" by Erik Larson