✨📕 The NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Learn More!
✨📕 The NEW Collegiate Dictionary — Learn More!

Ile

abbreviation

isoleucine; isoleucyl

Browse Nearby Words

IL
Ile
ilea
See all Nearby Words

Cite this Entry

“Ile.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Ile. Accessed 1 Jan. 2026.

Copy Citation

Share

Love words? Need even more definitions?

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

Popular in Grammar & Usage

See More

'Buck Naked' or 'Butt Naked'?

'Affect' vs. 'Effect'

The Difference Between 'i.e.' and 'e.g.'

What’s the difference between ‘cemetery’ and ‘graveyard’?

Democracy or Republic: What's the difference?
See More

Popular in Wordplay

See More

Ten Kinds of Happiness

Words That Turned 100 in 2025

The Words of the Week - Dec. 26

17 Words for Dog Breeds

Birds Say the Darndest Things
See More

Popular

See More

'Buck Naked' or 'Butt Naked'?

Ten Kinds of Happiness

Words That Turned 100 in 2025
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
thank-you-different-languages
Dutch, Yiddish, Japanese, or Hindi? Quiz Guess the language these English words come from.
See All