hematoma

noun

he·​ma·​to·​ma ˌhē-mə-ˈtō-mə 

plural hematomas also hematomata ˌhē-mə-ˈtō-mə-tə 

: a mass of usually clotted blood that forms in a tissue, organ, or body space as a result of a broken blood vessel

Examples of hematoma in a Sentence

Recent Examples on the Web

According to a large multicenter European study that included people who had chronic subdural hematoma, 81% had a good outcome after treatment, and 4% did not survive.6 Another study examined people with acute subdural hematoma. —Smita Patel, Verywell Health, 24 Mar. 2025

The youngster’s injuries were severe — compression fractures on his neck and upper back, a subdural hematoma, ligament injuries in his neck, rectal bleeding, a laceration to his pancreas and other intestinal and abdominal injuries, prosecutors said. —Kerry Burke, New York Daily News, 11 Mar. 2025

She was then diagnosed with a cranial hematoma from a burst blood vessel and required an emergency craniectomy. —Stephanie Giang-Paunon, Fox News, 16 Oct. 2024

An acute subdural hematoma is usually actively bleeding, while a chronic subdural hematoma has mainly clotted blood. —Smita Patel, Verywell Health, 24 Mar. 2025

Word History

Etymology

New Latin

First Known Use

circa 1849, in the meaning defined above

Rhymes for hematoma

• ambystoma
• atheroma
• carcinoma
• coloboma
• granuloma
• haematoma
• hamartoma
• hemangioma
• hepatoma
• hybridoma
• melanoma
• myeloma

Medical Definition

hematoma

noun

he·​ma·​to·​ma

variants or chiefly British haematoma

-ˈtō-mə 

plural hematomas also hematomata -mət-ə 

: a mass of usually clotted blood that forms in a tissue, organ, or body space as a result of a broken blood vessel