ulceration

noun

ul·​cer·​a·​tion ˌəl-sə-ˈrā-shən 

1

: the process of becoming ulcerated : the state of being ulcerated

2

: ulcer

ulcerative

ˈəl-sə-ˌrā-tiv 

ˈəls-rə-, 

ˈəl-sə-rə- 

adjective

Examples of ulceration in a Sentence

Recent Examples on the Web

Ulcerative colitis involves inflammation and ulceration of the colon and rectum, often leading to abdominal pain, urgent bowel movements, and diarrhea that may include blood. — Holly Carter, PEOPLE, 24 Apr. 2026

Also carries risks of extreme swelling, bruising, necrosis and ulceration or at the injection site. — Cindy Krischer Goodman, Sun Sentinel, 5 Mar. 2026

Calicivirus - sneezing, nasal discharge, ulceration of the surface of the nose, conjunctivitis (eye inflammation), eye discharge, ulcers on the lip, tongue or elsewhere in the mouth, fever, lethargy, dehydration, pneumonia, joint inflammation or signs related to blood vessel wall inflammation. — Noe Padilla, IndyStar, 25 Sep. 2025

Both the ulceration and kidney failure can be fatal; dogs should never be given ibuprofen. — Marni Rose McFall, MSNBC Newsweek, 2 July 2025

The venom can cause necrotizing fasciitis, where tissue around the bite dies, leading to ulceration or necrosis. — Tiffany Acosta, AZCentral.com, 4 Apr. 2025

Skin conditions like chafing, folliculitis, and ulcerations can cause saddle sores. — Kelly Hoover Greenway, Health, 19 June 2024

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for ulceration

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

ulceration

noun

ul·​cer·​a·​tion ˌəl-sə-ˈrā-shən 

1

: the process of forming or state of having an ulcer

2

: ulcer

Medical Definition

ulceration

noun

ul·​cer·​ation ˌəl-sə-ˈrā-shən 

: the process of becoming ulcerated : the state of being ulcerated