bolus

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When swallowing a bolus, which is a chunk of chewed food, it causes the esophagus to be stretched.

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Definitions (9)

Toggle American Heritage definitions American Heritage Dictionary (4)

  1. noun A round mass: "A dense bolus of trapped dolphins fills the frame” (Kenneth Browser).
  2. noun A single, relatively large quantity of a substance, such as a dose of a drug, intended for therapeutic use and taken orally.
  3. noun A concentrated mass of a substance administered intravenously for diagnostic or therapeutic purposes.

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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. Medieval Latin bōlus, from Greek bōlos, lump of earth.

Toggle Century etymologies Century Dictionary (1)

  1. from Latin bōlus, later English bole, q. v.
 

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/ˈboʊləs/
by American Heritage

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