tri·​ac·​e·​tate | \ (ˌ)trī-ˈa-sə-ˌtāt How to pronounce triacetate (audio) \

Definition of triacetate

1 : an acetate containing three CH3COO− groups
2 : 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 The game was shot on triacetate film by Indiana University's Audio-Visual Center, which used to film important Indiana high school sports competitions for distribution to high school coaches for use as teaching aids. Will Higgins, Indianapolis Star, "Here's your chance to see the film of 1954 basketball championship that inspired 'Hoosiers'," 23 Jan. 2018 Authorities suspect the packages held triacetate triperoxide, or TATP, an explosive that has been used in terrorist attacks, Assistant U.S. Attorney Craig Gabriel said in U.S. District Court in Portland. Everton Bailey Jr.,, "Man accused of igniting bomb in car had 3 other explosives, prosecutor says," 27 Oct. 2017

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

First Known Use of triacetate

1895, in the meaning defined at sense 1

History and Etymology for triacetate

International Scientific Vocabulary

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Time Traveler for triacetate

Time Traveler

The first known use of triacetate was in 1895

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Cite this Entry

“Triacetate.” Dictionary, Merriam-Webster, Accessed 10 Apr. 2020.

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More Definitions for triacetate


tri·​ac·​e·​tate | \ (ˈ)trī-ˈas-ə-ˌtāt How to pronounce triacetate (audio) \

Medical Definition of triacetate

: an acetate containing three CH3COO groups

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