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Dilation (or dilatation) may refer to: In mathematics, the term "center of dilation" refers to a constant point on a surface from which all other points are either enlarged or compressed.

Physiology or medicine[edit]


Chemistry and physics[edit]

  • Thermal expansion of crystalline triglycerides is referred to as dilation
  • Scale invariance, a feature of objects or laws that do not change if length scales (or energy scales) are multiplied by a common factor
  • Time dilation, the observation that another's clock is ticking at a slower rate as measured by one's own clock