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

 

suppurate

 verb
verb
BrE BrE//ˈsʌpjureɪt//
 
; NAmE NAmE//ˈsʌpjureɪt//
 
[intransitive](formal)Verb Forms present simple I / you / we / they suppurate
BrE BrE//ˈsʌpjureɪt//
 
; NAmE NAmE//ˈsʌpjureɪt//
 
he / she / it suppurates
BrE BrE//ˈsʌpjureɪts//
 
; NAmE NAmE//ˈsʌpjureɪts//
 
past simple suppurated
BrE BrE//ˈsʌpjureɪtɪd//
 
; NAmE NAmE//ˈsʌpjureɪtɪd//
 
past participle suppurated
BrE BrE//ˈsʌpjureɪtɪd//
 
; NAmE NAmE//ˈsʌpjureɪtɪd//
 
-ing form suppurating
BrE BrE//ˈsʌpjureɪtɪŋ//
 
; NAmE NAmE//ˈsʌpjureɪtɪŋ//
 
 
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(of a cut, wound, etc.) to produce a thick yellow liquid (called pus) because of infection His skin was covered in suppurating sores. Word Origin late Middle English (in the sense ‘cause to form pus’): based on Latin sub- ‘below’ + pus, pur- ‘pus’.
See the Oxford Advanced American Dictionary entry: suppurate