单词	cellulose nitrate
释义	cellulose nitrate noun : any of several nitric-acid esters of cellulose used especially for making plastics and explosives : nitrocellulose Cellulose nitrate film was introduced in 1887 and was used until about 1950. It is inherently unstable and highly flammable. Sally A. Buchanan et al. Example Sentences Recent Examples on the Web The warehouse is owned by the national film institute, Cinemateca, and houses South America's largest collection of films, some made of cellulose nitrate, a highly flammable material. DÉbora Álvares, Star Tribune, 29 July 2021 Because the drawings are extremely delicate, the team carefully dabbed their surfaces with sterile membranes made of cellulose nitrate and used gentle suction tubes to remove microbes without damaging the paper. Nora Mcgreevy, Smithsonian Magazine, 30 Nov. 2020 But almost all cellulose nitrate film has self-destructed in the last 100 years. Lily Rothman, Time, 18 May 2018 Word History First Known Use 1873, in the meaning defined above Medical Definition cellulose nitrate noun : any of several esters of nitric acid formed by the action of nitric acid on cellulose (as paper, linen, or cotton) and used for making explosives, plastics, and varnishes called also nitrocellulose see guncotton, pyroxylin
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