ac·​e·​tate | \ˈa-sə-ˌtāt \

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

Kuai rattan and leather tote Wicker Wings Shop Now Joel Ighe oval-frame acetate sunglasses Chimi Shop Now That’s A Good Look is a new discovery platform from the Cut featuring impressive women with impressive style. Sarah Spellings, The Cut, "Why Not Wear a Billowy White Blouse to the Beach?," 19 June 2018 The glasses are handmade from acetate in Sweden and feature lenses from Carl Zeiss Vision (the gold standard of lenses) with 100 percent UV protection. Tyler Watamanuk, GQ, "Sun Buddies Is the Brand Behind Your Next Pair of Sunglasses," 19 June 2018 Marco Lanero of Delirious Eyewear is focused on handcrafting frames from materials like water buffalo horn, titanium, beta-titanium, and natural base acetate. Laird Borrelli-persson, Vogue, "Who Is On Next? Winners MRZ and MTF Maria Turri Are Redefining What Made in Italy Means," 2 July 2018 To minimize the symptoms of poison ivy, use calamine lotion or products containing aluminum acetate. Erik Polan,, "Q&A: How do I know if I have poison ivy?," 8 June 2018 Enter proselytes in acetate eyeglasses and Rosie Pope workwear, drawn by listservs like Brooklynitos and Fort Greene Kids and BoCoCa Moms (BoCoCa being an acronym for three adjacent Brooklyn neighborhoods). Sonja Sharp,, "At a bar in Brooklyn, would-be foster parents ponder the ethics of taking in migrant children," 27 June 2018 Compresses soaked in an aluminum acetate mixture -- available at pharmacies -- can provide relief for skin irritations. Caitlin O'kane, CBS News, "Giant hogweed, plant that causes blindness and third-degree burns, discovered in Virginia," 18 June 2018 Photography companies developed a much safer alternative, using acetate in beginning 1909, which become the film of choice for home movie recorders and other amateurs. Joe Pappalardo, Popular Mechanics, "There Are Secrets in the Texas Theatre," 25 May 2018 Butterfly Print Tribute Sunglasses $295 at Versace Thick, sturdy acetate gives this fashion-forward edition added integrity. The Cut, "Buy These Sunglasses in Every Color," 24 May 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

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 \

Medical Definition of acetate 

: a salt or ester of acetic acid

Keep scrolling for more

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).


full of whispering sounds

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

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!