fibroid

1 of 2

adjective

fi·​broid ˈfī-brȯid How to pronounce fibroid (audio) ˈfi- How to pronounce fibroid (audio)
: resembling, forming, or consisting of fibrous tissue
a fibroid tumor

fibroid

2 of 2

noun

: a benign tumor that consists of fibrous and muscular tissue and occurs especially in the uterine wall

Examples of fibroid in a Sentence

Recent Examples on the Web
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Adjective
The researchers calculated the study participants’ risk of heart disease at one, three, five and 10 years after their uterine fibroid diagnosis. Claire Cameron, Scientific American, 10 Dec. 2025 Experts say more research is needed, but in the meantime women with a uterine fibroid diagnosis should discuss heart health risk factors with their clinician. Emily Kay Votruba, EverydayHealth.com, 10 Dec. 2025
Noun
But, DiTosto said in the statement, there is research to suggest fibroids and heart disease may share some features that could explain the connection. Claire Cameron, Scientific American, 10 Dec. 2025 As many as 1 in 5 women may have uterine fibroids during their childbearing years — and those abnormal growths may have a connection not just to reproductive health but also to heart health. Emily Kay Votruba, EverydayHealth.com, 10 Dec. 2025 See All Example Sentences for fibroid

Word History

First Known Use

Adjective

1852, in the meaning defined above

Noun

circa 1860, in the meaning defined above

Time Traveler
The first known use of fibroid was in 1852

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Cite this Entry

“Fibroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibroid. Accessed 19 Dec. 2025.

Medical Definition

fibroid

1 of 2 adjective
fi·​broid ˈfīb-rȯid How to pronounce fibroid (audio) ˈfib- How to pronounce fibroid (audio)
: resembling, forming, or consisting of fibrous tissue

fibroid

2 of 2 noun
: a benign tumor especially of the uterine wall that consists of fibrous and muscular tissue
Last Updated: - Updated example sentences
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