thymoma

noun
thy·​mo·​ma | \ thī-ˈmō-mə How to pronounce thymoma (audio) \
plural thymomas also thymomata\ -​mət-​ə How to pronounce thymomata (audio) \

Medical Definition of thymoma

: a tumor that arises from the tissue elements of the thymus

Learn More about thymoma

Comments on thymoma

What made you want to look up thymoma? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to corrupt or become corrupted

Get Word of the Day daily email!

Test Your Vocabulary

A Green Quiz

  • shamrock
  • What is the best definition of green-eyed monster?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!