dilator








noun

  1. Anatomy. a muscle that dilates some cavity of the body.
  2. Surgery. an instrument for dilating body canals, orifices, or cavities.

noun

  1. something that dilates an object, esp a surgical instrument for dilating a bodily cavity
  2. a muscle that expands an orifice or dilates an organ

n.

  1. An instrument or a substance for enlarging a cavity, canal, blood vessel, or opening.
  2. A muscle that dilates an orifice or a body part, such as a blood vessel or the pupil of the eye.dilatator
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