dilatation

[ dil-uh-tey-shuhn, dahy-luh- ]
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noun
  1. a dilated formation or part.

  2. Pathology. an abnormal enlargement of an aperture or a canal of the body.

  1. Surgery.

    • an enlargement made in a body aperture or canal for surgical or medical treatment.

    • a restoration to normal patency of an abnormally small body opening or passageway, as of the anus or esophagus.

  2. Mechanics. the increase in volume per unit volume of a homogeneous substance.

Origin of dilatation

1
1350–1400; Middle English (<Old French ) <Latin dīlātātiōn- (stem of dīlātātiō), equivalent to dīlātāt(us) spread out (past participle of dīlātāre to dilate) + iōn--ion

Other words from dilatation

  • dil·a·ta·tion·al, adjective

Words Nearby dilatation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use dilatation in a sentence