plural -omas also -omata

Definition of -oma

: tumor adenoma fibroma

History and Etymology for -oma

Latin omat-, -oma, from Greek -ōmat-, -ōma, from -ō- (stem vowel of causative verbs in -oun) + -mat-, -ma, suffix denoting result — more at -ment

Keep scrolling for more

Learn More about -oma

Statistics for -oma

Cite this Entry

“-oma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-oma. Accessed 6 Jul. 2020.

Comments on -oma

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

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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!