What does fibroid mean?
A fibroid is a non-cancerous growth made up of smooth muscle and fibrous connective tissue, most commonly found in the wall of the uterus. Uterine fibroids — known medically as leiomyomas — are extraordinarily common: by some estimates, up to seventy-five percent of women develop them during their reproductive years, though many cause no symptoms at all. When they do, symptoms may include heavy or prolonged menstrual bleeding, pelvic pain or pressure, frequent urination, and complications in pregnancy. Treatment ranges from watchful waiting to medication, surgical removal (myomectomy), or hysterectomy, depending on severity. The word derives from Latin "fibra" (fibre) combined with the Greek-derived suffix "-oid" meaning "resembling," reflecting the dense, thread-like texture of these growths. Though benign rather than malignant, fibroids remain one of the leading reasons for gynaecological care worldwide.
nounA fibroid is a benign (non-cancerous) tumour of muscular and fibrous tissue, especially one occurring in the wall of the uterus. Also called a uterine leiomyoma, it is the most common benign tumour in women of reproductive age.
- A benign tumour of smooth muscle and fibrous connective tissue, especially in the wall of the uterus (medical: uterine leiomyoma).
- (Adjective, less common) Resembling fibre or fibrous tissue; consisting of or containing fibres.
"The ultrasound revealed several small fibroids, none of which required treatment."
"Heavy menstrual bleeding can sometimes be caused by an undiagnosed fibroid."
"The surgeon recommended a myomectomy to remove the fibroid while preserving fertility."
Standard English plural. The plural is common because multiple fibroids frequently occur together.
"Multiple fibroids were identified during the scan."
Up to three in four women will develop a fibroid at some point in their lives — yet most will never know it's there.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of fibroid
The word "fibroid" combines Latin "fibra," meaning fibre or filament, with the Greek-derived adjectival suffix "-oid," meaning "resembling" or "in the form of." It entered English in the mid-19th century within medical terminology, describing growths whose firm, threadlike texture suggested fibrous tissue. The term shares its root with other fibre-related words such as "fibre," "fibril," and "fibrosis," all tracing back to that same Latin source.
How fibroid is actually used
"Fibroid" standing alone almost always means a uterine fibroid in medical and everyday usage; elsewhere it appears in compounds like "fibroid tumour." In formal pathology, the more precise terms "leiomyoma" or "myoma" are preferred. The adjective sense is largely confined to medical writing.
Easily confused with fibroid
As an adjective, 'fibroid' simply means resembling or composed of fibrous tissue, whereas as a noun it refers specifically to the benign uterine tumour.
A polyp is a growth projecting from a mucous membrane, while a fibroid develops within muscle tissue such as the uterine wall.