单词	furan
释义	furan noun fu·​ran ˈfyu̇r-ˌan  fyu̇-ˈran  variants or less commonly furane ˈfyu̇r-ˌān  fyu̇-ˈrān : a cyclic flammable liquid compound C4H4O that is obtained from wood oils of pines or made synthetically and is used especially in organic synthesis also : any of various derivatives of furan Example Sentences Recent Examples on the Web Next, Rao and her colleagues plan to extend their research to exploring how the cold-brew versus hot-brew processes and roasting temperatures affect the flavor compounds in raw coffee beans, called furans. Jennifer Ouellette, Ars Technica, 9 Apr. 2020 Heavy polluters Incinerators release many air pollutants, including nitrogen oxides, sulfur dioxides, particulate matter, lead, mercury, dioxins and furans. Ana Baptista, The Conversation, 20 June 2019 Another way to convert waste to energy is through gasification, a process that melts plastics at very high temperatures in the near-absence of oxygen (which means toxins like dioxins and furans aren’t formed). Elizabeth Royte, National Geographic, 12 Mar. 2019 Heavy polluters Incinerators release many air pollutants, including nitrogen oxides, sulfur dioxides, particulate matter, lead, mercury, dioxins and furans. Ana Baptista, The Conversation, 20 June 2019 Another way to convert waste to energy is through gasification, a process that melts plastics at very high temperatures in the near-absence of oxygen (which means toxins like dioxins and furans aren’t formed). Elizabeth Royte, National Geographic, 12 Mar. 2019 Word History Etymology International Scientific Vocabulary, from furfural First Known Use 1894, in the meaning defined above Medical Definition furan noun fu·​ran ˈfyu̇(ə)r-ˌan  fyu̇-ˈran  variants also furane ˈfyu̇(ə)r-ˌān  fyu̇-ˈrān  : a flammable liquid C4H4O obtained from oils of pines or made synthetically and used especially in organic synthesis also : a derivative of furan
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