cholesteatoma

noun
cho·​les·​te·​a·​to·​ma | \ kə-ˌles-tē-ə-ˈtō-mə, ˌkō-lə-ˌstē-, ˌkäl-ə- How to pronounce cholesteatoma (audio) \
plural cholesteatomas also cholesteatomata\ -​mət-​ə How to pronounce cholesteatomata (audio) \

Medical Definition of cholesteatoma

1 : an epidermoid cyst usually in the brain arising from aberrant embryonic rests and appearing as a compact shiny flaky mass

called also pearly tumor

2 : a tumor usually growing in a confined space (as the middle ear or mastoid) and frequently constituting a sequel to chronic otitis media

Other Words from cholesteatoma

cholesteatomatous \ -​mət-​əs How to pronounce cholesteatomatous (audio) \ adjective

Learn More about cholesteatoma

Cite this Entry

“Cholesteatoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cholesteatoma. Accessed 21 Sep. 2020.

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