dilation

Etymology

From dilate + -ion, late 16th c.

noun

  1. The act of dilating.
  2. State of being dilated; expansion; dilatation.
  3. (obsolete) Delay.
  4. (mathematics) In morphology, a basic operation (denoted ⊕) that usually uses a structuring element for probing and expanding the shapes contained in the input image.

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