Disinfectant

来自Big Physics

wiktionary

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Borrowed from French désinfectant.


etymonline

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disinfectant (n.)

"agent used for destroying the germs of infectious diseases," 1837, from French désinfectant (1816), noun use of present participle of désinfecter (see disinfect), or else from the adjective in English (by 1827), "serving to disinfect." Related: Disinfection.