SINCE 1828
acetic anhydride
nounDefinition of acetic anhydride
: a colorless liquid C4H6O3 with a pungent odor used in organic synthesis (as of cellulose acetate and aspirin)
Keep scrolling for more
Keep scrolling for more
Comments on acetic anhydride
What made you want to look up acetic anhydride? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Original Meanings Quiz
-
- Which of the following is the earliest known sense of the word awe?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Original Meanings Quiz
A quiz for the pedantic and those annoyed by them!
Take the quiz -
A Green Quiz
How many questions can you answer about the word "green"?
Take the quiz -
True or False?
Test your knowledge - and maybe learn something along the way.
Take the quiz -
SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share acetic anhydride
Resources for acetic anhydride