ac·​e·​tate | \ ˈa-sə-ˌtāt How to pronounce acetate (audio) \

Definition of acetate

1 : a salt or ester of acetic acid
2 : cellulose acetate also : something (such as a textile fiber) made from cellulose acetate
3 : a phonograph recording disk made of an acetate or coated with cellulose acetate

Examples of acetate in a Sentence

Recent Examples on the Web

Ella is among the more common brands of emergency contraceptive pills containing ulipristal acetate (which requires a prescription), and Plan B contains levonorgestrel (and is available over the counter). Brittney Mcnamara, Allure, "Shrill Is Right About the Impact of Your Weight on the Morning-After Pill's Efficacy," 25 Mar. 2019 Ella is one of the more common brands of emergency contraceptive pills containing ulipristal acetate (which requires a prescription), while Plan B contains levonorgestrel (and is available over the counter). Brittney Mcnamara, Teen Vogue, "Emergency Contraceptives May Be Less Effective for People Over a Certain Weight," 19 Mar. 2019 The other form of oral emergency contraception is a 30-milligram pill of ulipristal acetate (ella). Natasha Lavender, SELF, "7 Myths About Emergency Contraception You Should Stop Believing," 8 Apr. 2019 Another was benzyl acetate, which is part of the character of jasmine, and linalool, which is a fresh clean smell. Ellen Byron, WSJ, "Smell of Success: What It Takes to Be a Top Perfumer," 22 Feb. 2019 Most of the book consists of acetate squares, each of which seems to imprison a different autumn leaf: the scarlet of maple; the neon-yellow of cottonwood; the green of birch and eucalyptus. Meghan Cox Gurdon, WSJ, "Children’s Books: Board Books That Aren’t Boring," 1 Nov. 2018 For bare drywall, use a PVA (polyvinyl acetate) paint, seal over stains and hide colors with a high-hiding primer sealer, and for painting bare steel make sure to get paint with anodic zinc protection to inhibit rust. Roy Berendsohn, Popular Mechanics, "The 4 Biggest Painting Mistakes (And How to Avoid Them)," 16 Jan. 2019 The MW07s have high-end materials in their construction, including stainless steel enclosures, 10mm beryllium drivers, and acetate covers. Stefan Etienne, The Verge, "Master & Dynamic MW07 earbuds review: truly wireless, truly expensive," 18 Sep. 2018 Eyewear makers throw away roughly 75% of every sheet of acetate from which most plastic frames are cut, while 3-D printing leaves almost no waste. Daniel Michaels, WSJ, "Design Your Frames: 3-D Printing Comes to Eyewear," 11 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acetate.' 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 acetate

1788, in the meaning defined at sense 1

History and Etymology for acetate

borrowed from French acétate, from (acide) acétique acetic acid + -ate, -ate entry 1

Keep scrolling for more

Learn More about acetate

Statistics for acetate

Last Updated

27 Apr 2019

Look-up Popularity

Time Traveler for acetate

The first known use of acetate was in 1788

See more words from the same year

Keep scrolling for more

More Definitions for acetate


ac·​e·​tate | \ ˈas-ə-ˌtāt How to pronounce acetate (audio) \

Medical Definition of acetate

: a salt or ester of acetic acid

Keep scrolling for more

More from Merriam-Webster on acetate

Rhyming Dictionary: Words that rhyme with acetate

Spanish Central: Translation of acetate

Nglish: Translation of acetate for Spanish Speakers

Britannica English: Translation of acetate for Arabic Speakers Encyclopedia article about acetate

Comments on acetate

What made you want to look up acetate? Please tell us where you read or heard it (including the quote, if possible).


using a distributed computer network

Get Word of the Day daily email!

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?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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