单词	cloud chamber
释义	cloud chamber noun : a vessel containing air saturated with water vapor whose sudden expansion reveals the passage of an ionizing particle by a trail of visible droplets Example Sentences Recent Examples on the Web In a recent email exchange, Coppola described watching particles produced by nuclear decay fly through a Wilson cloud chamber. Michael Alberty | For The Oregonian/oregonlive, oregonlive, 4 Jan. 2022 The cloud chamber in Gilbert’s atomic lab contains a wire coated with polonium-210, the radioactive compound used to poison ex-KGB agent Alexander Litvinenko. Michael Alberty | For The Oregonian/oregonlive, oregonlive, 4 Jan. 2022 As for the Partch, it was played by Partch, guitarist John Schneider’s ensemble dedicated to re-creating the art-object Partch instruments — the cloud chamber bowls, the exotic massive marimbas and the like. Mark Swed, latimes.com, 17 June 2018 Word History First Known Use 1897, in the meaning defined above
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