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bubble chamber (plural bubble chambers)

  1. A vessel filled with a superheated transparent liquid (most often liquid hydrogen) used to detect electrically charged particles moving through it.
    • 1998, Robert Bud, Instruments of Science: An Historical Encyclopedia, page 100:
      These discoveries, along with others produced by bubble chambers at Argonne, Brookhaven, and CERN, supported the SU(3) particle classification.