Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

See What's Trending Now See More Trending Words

Medical Dictionary

intramedullary

play
adjective in·tra·med·ul·lary \-ˈmed-əl-ˌer-ē, -ˈmej-ə-ˌler-ē; -mə-ˈdəl-ə-rē\

Medical Definition of intramedullary

  1. :  situated or occurring within a medulla an intramedullary tumor of the spinal cord; especially :  involving use of the marrow space of a bone for support intramedullary pinning of a fracture of the thigh

From the M-W Editors

time-traveler-quiz-which-word-came-first
Time Traveler Quiz: Which Word Came First?
2-pairs-of-scissors
What's the Singular of 'Scissors'?
a-woman-waits-at-the-end-of-a-gloomy-pier-does-she-wait-for-charon-the-ferryman-to-the-underworld-it-is-dark-but-she-carries-a-parasol
Vocabulary Thrives in Darkness
video-title-words-of-the-year-1066
Words of the Year: 1066

Seen and Heard

What made you want to look up intramedullary? 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

nobby

play

cleverly stylish

Get Word of the Day daily email!

TRENDING NOW

  1. Svengali 'A person who manipulates'

  2. syzygy An obscure astronomy term goes mainstream

  3. hegemon "Something having dominant influence over others"

  4. repugnant Trump clarifies his position on racism

  5. white nationalist, white supremacist Trending in 2017

SEE ALL

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

2-pairs-of-scissors
What's the Singular of 'Scissors'?

A tricky, double-edged word origin.

a-woman-waits-at-the-end-of-a-gloomy-pier-does-she-wait-for-charon-the-ferryman-to-the-underworld-it-is-dark-but-she-carries-a-parasol
Great Words for Twilight and Darkness

Words for the goth in all of us

bunch-of-yellow-balloons-lit-by-the-sun
Helium: This Word Brought to You by a Solar Eclipse

And by the Sun, with some help from Greek.

watercolor-squares
We're Down With You Being—or Your Being?—a Square

It's about (you? your?) having your say.

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
Word Winder's CrossWinder
Word Winder's CrossWinder

A game of winding words.

Play the game