Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

See What's Trending Now See More Trending Words

immuno-

combining form

Definition of immuno-

  1. 1 :  physiological immunity immunology

  2. 2 :  immunologic immunochemistry :  immunologically immunocompetent :  immunology and immunogenetics

From the M-W Editors

image1489982902
Devilish Words
time-traveler-quiz-which-word-came-first
Time Traveler Quiz: Which Word Came First?
video-title-words-of-the-year-1066
Words of the Year: 1066
alt-599492594f435
How 'Wonderful' Lost Its Sense of Wonder

Origin and Etymology of immuno-

International Scientific Vocabulary, from immune

Medical Dictionary

immuno-

combining form

Medical Definition of immuno-

  1. 1:  physiological immunity immunology

  2. 2:  immunologic immunochemistry :  immunologically immunocompromised :  immunology and immunogenetics

Seen and Heard

What made you want to look up immuno-? 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

oppugn

play

to fight against or to call in question

Get Word of the Day daily email!

TRENDING NOW

  1. hegemon "Something having dominant influence over others"

  2. repugnant Trump clarifies his position on racism

  3. white nationalist, white supremacist Trending in 2017

  4. bereft "Lacking something needed, wanted, or expected"

  5. impanel "To choose people to serve on a jury"

SEE ALL

BROWSE DICTIONARY

immuno-

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
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

image1489982902
Devilish Words

Don't blame a word use error on the devil.

alt-599492594f435
How 'Wonderful' Lost Its Sense of Wonder

A case of semantic bleaching

dog-covering-face
Don't Let Reading This Be Another 'Coulda' 'Shoulda' 'Woulda'

PSA: They're three separate words.

image1458426927
Food Words for Strong Flavors

A tasting menu of vivid flavor descriptions

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

time-traveler-quiz-which-word-came-first
Time Traveler Quiz: Which Word Came First?

Which word entered the English language first?

Take the quiz
name-more-food
Name More Food!

Test your knowledge of food vocabulary!

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