hematoma

[ hee-ma-toh-muh, hem-uh- ]
/ ˌhi mæˈtoʊ mə, ˌhɛm ə- /

noun, plural he·ma·to·mas, he·ma·to·ma·ta [hee-ma-toh-muh-tuh, hem-uh-] /ˌhi mæˈtoʊ mə tə, ˌhɛm ə-/. Pathology.

a circumscribed collection of blood, usually clotted, in a tissue or organ, caused by a break in a blood vessel.

Origin of hematoma

First recorded in 1840–50; hemat- + -oma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hematoma

Medicine definitions for hematoma

hematoma
[ hē′mə-tōmə ]

n. pl. he•ma•to•mas

A localized swelling filled with blood resulting from a break in a blood vessel.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for hematoma

hematoma
[ hē′mə-tōmə ]

Plural hematomas hematomata (hē′mə-tōmə-tə)

The abnormal buildup of blood in an organ or other tissue of the body, caused by a break in a blood vessel.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.