English Reference

Word

endometriosis

Phoneticsen·dometrio·sis

US/ˌɛndoʊˌmɛtɹiˈoʊsɪs/

UK/ˌɛndəʊmˌɛtɹɪˈəʊsɪs/

Definition

n. a medical condition where tissue similar to the lining of the uterus grows in other parts of the body. This often causes pain and can make it harder to get pregnant.

n. a chronic inflammatory condition in which endometrial tissue is found outside the uterus, typically in the pelvic cavity. It is characterized by cyclic pain and potential infertility.

Examples

“She was diagnosed with endometriosis after years of severe menstrual pain.”

“Doctors often use laparoscopic surgery to remove the abnormal tissue found in endometriosis patients.”

“While the exact cause of endometriosis remains a subject of ongoing research, the condition is frequently managed through a combination of hormonal therapy and surgical intervention to alleviate symptoms and preserve fertility.”

Examples

simple

“She was diagnosed with endometriosis after years of severe menstrual pain.”

contextual

“Doctors often use laparoscopic surgery to remove the abnormal tissue found in endometriosis patients.”

complex

“While the exact cause of endometriosis remains a subject of ongoing research, the condition is frequently managed through a combination of hormonal therapy and surgical intervention to alleviate symptoms and preserve fertility.”

Real-World Examples

“Endometriosis, which occurs when tissue similar to the lining of the womb grows outside it, can cause debilitating symptoms, such as pelvic pain, heavy periods and fatigue.”
BBC News · 23 Aug 2026
“The same can happen for women put in a chemical or surgical menopause, which is used to treat hormone-sensitive cancers and major gynaecological conditions, such as endometriosis and polyendocrine metabolic ovarian syndrome (PMOS).”
BBC News · 8 Jul 2026

Etymology

From endometrium + -osis.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Medicine

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

englishreference.com/q/endometriosis

English Reference