dilatation

Noun
  1. The state of being stretched beyond normal dimensions (synset 114087115)
    is a type of: physical condition, physiological condition, physiological state - the condition or state of the body or bodily functions
    subtypes:
    • tympanites - distension of the abdomen that is caused by the accumulation of gas in the intestines or the peritoneal cavity
    • ectasia, ectasis - dilatation or distension of a hollow organ
    • varicocele - dilatation of the veins associated with the spermatic cord in the testes
    same as: distension, distention
  2. The act of expanding an aperture (synset 100366821)
    "the dilation of the pupil of the eye"
    is a type of: enlargement, expansion - the act of increasing (something) in size or volume or quantity or scope
    subtypes:
    • vasodilation - dilation of blood vessels (especially the arteries)
    • mydriasis - reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
    same as: dilation

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