barium meal

English

Noun

barium meal (plural barium meals)

  1. (medicine) A preparation of barium sulfate (a radioopaque compound) which the patient ingests for the purpose of producing clear radiographs of the esophagus, stomach, and duodenum.
  2. (medicine) A diagnostic procedure based on observing the barium meal's progress in the digestive tract.
  3. (espionage) The deliberate release of traceable information to a suspect to see whether they leak it.
    • 2017, Nancy Howell Lee, Peter Dale Scott, Bertram Gross, Forbidden Bookshelf's Resistance in America Collection:
      The example of Oswald will show how the different operations of a dangle and a barium meal would work more efficiently together.

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