amenorrhoea
noun /əˌmenəˈriːə/
/eɪˌmenəˈriːə/
(British English) (North American English amenorrhea)
[uncountable] (medical- a condition in which an adult woman does not menstruate (= there is no flow of blood from her womb every month)
闭经 词源early 19th cent.: from a- ‘without’ + menorrhoea.