Definition of endometriosis in English:


Pronunciation /ˌendōˌmētrēˈōsəs/ /ˌɛndoʊˌmitriˈoʊsəs/


  • A condition resulting from the appearance of endometrial tissue outside the uterus and causing pelvic pain.

    ‘The most common symptom of endometriosis is pain or discomfort.’
    • ‘However, it is well known that endometriosis is associated both with pelvic pain and infertility.’
    • ‘They are even implicated in diseases such as endometriosis and in cancers of the various reproductive organs.’
    • ‘Pelvic pain, which feels like period pain, is the most common symptom of endometriosis.’
    • ‘Difficulty getting pregnant is a common problem for women with endometriosis, especially if the endometrial tissue is near the fallopian tubes.’


Early 20th century from endo-‘within’ + Greek mētra ‘womb’ + -itis.