English

Definition of ulcerate verb from the Oxford Advanced Learner's Dictionary

 

ulcerate

 verb
verb
BrE BrE//ˈʌlsəreɪt//
 
; NAmE NAmE//ˈʌlsəreɪt//
 
Verb Forms present simple I / you / we / they ulcerate
BrE BrE//ˈʌlsəreɪt//
 
; NAmE NAmE//ˈʌlsəreɪt//
 
he / she / it ulcerates
BrE BrE//ˈʌlsəreɪts//
 
; NAmE NAmE//ˈʌlsəreɪts//
 
past simple ulcerated
BrE BrE//ˈʌlsəreɪtɪd//
 
; NAmE NAmE//ˈʌlsəreɪtɪd//
 
past participle ulcerated
BrE BrE//ˈʌlsəreɪtɪd//
 
; NAmE NAmE//ˈʌlsəreɪtɪd//
 
-ing form ulcerating
BrE BrE//ˈʌlsəreɪtɪŋ//
 
; NAmE NAmE//ˈʌlsəreɪtɪŋ//
 
 
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[intransitive, transitive, usually passive] ulcerate (something) (medical) to become, or make something become, covered with ulcers Word Origin late Middle English: from Latin ulcerat- ‘made ulcerous’, from the verb ulcerare.
See the Oxford Advanced American Dictionary entry: ulcerate