tri·​ac·​e·​tate (ˌ)trī-ˈa-sə-ˌtāt How to pronounce triacetate (audio)
: an acetate containing three CH3COO− groups
: a textile fiber or fabric consisting of cellulose that is completely or almost completely acetylated

Examples of triacetate in a Sentence

Recent Examples on the Web Materials like denim, mesh and triacetate were enhanced by a collaboration with Dainese, a leading motorcycle protection company. Andrea Onate, WWD, 17 June 2024 If not stated in the product name, be sure to look for materials such as Supima cotton, triacetate and certain types of polyester. Casey Delbasso, ABC News, 7 June 2024 Natural beauty of the human face and subtle sensations of temperature are more immediately experienced, captured and presented on the living organism that is cellulose triacetate. Ellise Shafer, Variety, 7 Feb. 2024 How To Remove Polish From Clothing With Acetone First and foremost, see if the fabric contains acetate, triacetate, or modacrylic. Southern Living Editors, Southern Living, 14 Nov. 2023 These instructions are for machine- or hand-washable fabrics such as cotton, denim, linen, nylon, polyester, and spandex; if the care tag says that fabric content includes rayon, silk, triacetate, or wool, the shirt will typically need to be dry cleaned. Jolie Kerr, Better Homes & Gardens, 5 July 2022 Cotton, linen, acetate and triacetate also have a high burning rate but this can be alleviated by the application of flame-retardant chemical additives. oregonlive, 15 Aug. 2022 This Everlane dress is made of triacetate fabric, which is known for being smooth and crease-resistant and ideal for traveling. Emma Seymour, Good Housekeeping, 15 July 2022 Note: These instructions are for fabrics that can be safely washed in water; fabrics that cannot tolerate water, such as rayon, silk, or triacetate, should be dry cleaned. Jolie Kerr, Better Homes & Gardens, 7 July 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'triacetate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary

First Known Use

1895, in the meaning defined at sense 1

Time Traveler
The first known use of triacetate was in 1895

Dictionary Entries Near triacetate

Cite this Entry

“Triacetate.” Dictionary, Merriam-Webster, Accessed 20 Jul. 2024.

Kids Definition


tri·​ac·​e·​tate (ˈ)trī-ˈas-ə-ˌtāt How to pronounce triacetate (audio)
: a textile fiber or fabric made by the chemical addition of acetate groups to cellulose

Medical Definition


tri·​ac·​e·​tate (ˈ)trī-ˈas-ə-ˌtāt How to pronounce triacetate (audio)
: an acetate containing three CH3COO groups
Last Updated: - Updated example sentences
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