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thymoma Syllabification: thy·mo·ma
Pronunciation: /THīˈmōmə/

Definition of thymoma in English:

noun (plural thymomas or thymomata-mətə)

A rare, usually benign tumor arising from thymus tissue and sometimes associated with myasthenia gravis.
Example sentences
  • Rare cases of thymomas, thymic carcinomas, and lymphomas have been reported.
  • About 45% of thymomas are associated with myasthenia gravis.
  • At this point the differential diagnosis included thymoma, teratoma and lymphoma.


Early 20th century: from thymus + -oma.

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