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

In 2018, Spencer underwent emergency brain surgery for a bleeding hematoma resulting from the 1977 car accident. —Mekishana Pierre, EW.com, 12 Aug. 2025

Doctors failed to order an MRI despite Gary McCollum reporting numerous symptoms of a spinal hematoma, according to the lawsuit. —Bella Waters, Kansas City Star, 27 June 2025

Doctors spoke to them in medical jargon – epidural hematoma, left subdural hemorrhage, left temporal bone fracture, left occipital condyle fracture – each term more terrifying than the last. —Faith Karimi, CNN Money, 15 June 2025

Another of the place innovation awards was for detection and localization of subdural hematoma with subsequent recurrence. —Pamela McLoughlin, Hartford Courant, 8 July 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