Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

See What's Trending Now See More Trending Words

ulcerative colitis

noun

Definition of ulcerative colitis

:a nonspecific inflammatory disease of the colon of unknown cause characterized by diarrhea with discharge of mucus and blood, cramping abdominal pain, and inflammation and edema of the mucous membrane with patches of ulceration

People Are Reading

alt-59e50f5a357b4
'Spox' May Go On The Record
tycoon
17 English Words that Come From Japanese
video-title-words-of-the-year-1066
Words of the Year: 1066
alt-59e60c9d3e5ea
Trending: McCain: Half-Baked, 'Spurious' Nationalism

First Known Use of ulcerative colitis

circa 1928

Medical Dictionary

ulcerative colitis

noun

medical Definition of ulcerative colitis

:a chronic inflammatory disease of the colon that is of unknown cause and is characterized by diarrhea with discharge of mucus and blood, cramping abdominal pain, and inflammation and edema of the mucous membrane with patches of ulceration

Learn More about ulcerative colitis

  1. Britannica.com: Encyclopedia article about ulcerative colitis

Seen and Heard

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

show hide

Love words? Need even more definitions?

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

WORD OF THE DAY

euphony

play

pleasing or sweet sound

Get Word of the Day daily email!

TRENDING NOW

  1. spurious of a deceitful nature or quality

  2. righteous We provide an assortment of definitions

  3. Kafkaesque 'A nightmarish quality'

  4. mike "microphone"

  5. moron “a very stupid person”

SEE ALL

BROWSE DICTIONARY

ulcerative colitis

Test Your Vocabulary

Forms of Government Quiz

  • knupfer-painting-solon-before-croesus
  • A gerontocracy is rule by:
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!

Words at Play

alt-59e50f5a357b4
'Spox' May Go On The Record

From newsroom lingo to the mainstream

alt-59e506c5c02ae
C'mon, Of Course 'Myriad' Is a Noun

For a myriad of reasons

alt-59e12097b419d
'Gamut' and 'Gambit' (and 'Gauntlet' Too)

Know when to use (or run) each.

tycoon
17 English Words that Come From Japanese

Some borrowed words don't get returned

Ask the Editors

video-title-words-of-the-year-1066
Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

payday
How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

knupfer-painting-solon-before-croesus
Forms of Government Quiz

Name that government! Or something like that.

Take the quiz
rembrandt-painting-a-young-scholar-and-his-tutor
Original Meanings Quiz

A quiz for the pedantic and those annoyed by them!

Take the quiz
Spell It
Spell It

Can you spell these 10 commonly misspelled words?

Take the quiz
SCRABBLE® Sprint
SCRABBLE® Sprint

SCRABBLE® fans, sharpen your skills!

Play the game