acetic anhydride

noun

Definition of acetic anhydride

: a colorless liquid C4H6O3 with a pungent odor used in organic synthesis (as of cellulose acetate and aspirin)

Examples of acetic anhydride in a Sentence

Recent Examples on the Web The company had been selling acetic anhydride in convenient wine bottle-sized jugs in retail stores, which were traced back to Mexican drug labs. Donald J. Mihalek, ABC News, "The seen and unseen threat of fentanyl: OPINION," 28 Mar. 2021 The investigation was triggered by a Bloomberg Businessweek report that found that J.T. Baker-brand acetic anhydride had been easily diverted to make heroin in violation of Mexican law. Michael Smith, Bloomberg.com, "Avantor Stops Sale of Chemical in Mexico Used to Make Heroin," 15 Sep. 2020 None appears to have fared better than acetic anhydride, which is required to make heroin and also used by Mexican cartels over the past decade to make meth. Cam Simpson, Bloomberg.com, "Mexico Was 18 Years Late in Controlling the Chemical Used to Make Heroin," 28 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acetic anhydride.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of acetic anhydride

1855, in the meaning defined above

Keep scrolling for more

Learn More about acetic anhydride

Time Traveler for acetic anhydride

Time Traveler

The first known use of acetic anhydride was in 1855

See more words from the same year

Statistics for acetic anhydride

Last Updated

31 Mar 2021

Cite this Entry

“Acetic anhydride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acetic%20anhydride. Accessed 11 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for acetic anhydride

acetic anhydride

noun

Medical Definition of acetic anhydride

: a colorless liquid (CH3CO)2O with a pungent odor and lacrimatory and vesicant action that is used especially in making acetyl derivatives (as aspirin)

More from Merriam-Webster on acetic anhydride

Britannica.com: Encyclopedia article about acetic anhydride

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).

WORD OF THE DAY

Test Your Vocabulary

Star Wars Words Quiz

  • cu jedi training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

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!