# Dilation

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Look up , dilation, dilatation, or dilate in Wiktionary, the free dictionary.dilates |

**Dilation** (or **dilatation**) may refer to:

## Physiology or medicine[edit]

- Cervical dilation, the widening of the cervix in childbirth, miscarriage etc.
- Coronary dilation, or coronary reflex
- Dilation and curettage, the opening of the cervix and surgical removal of the contents of the uterus
- Dilation and evacuation, the dilation of the cervix and evacuation of the contents of the uterus
- Esophageal dilatation, a procedure for widening a narrowed esophagus
- Pupillary dilation, dilation of the pupil of the eye
- Vasodilation, the widening of luminal diameter in blood vessels

## Mathematics[edit]

- Dilation (affine geometry), an affine transformation
- Dilation (metric space), a function from a metric space into itself
- Dilation (operator theory), a dilation of an operator on a Hilbert space
- Dilation (morphology), an operation in mathematical morphology
- Scaling (geometry), including:
- Homogeneous dilation (homothety), the scalar multiplication operator on a vector space or affine space
- Inhomogeneous dilation, where scale factors may differ in different directions

## 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

## Music[edit]

*Dilate*(Bardo Pond album)*Dilate*(Ani DiFranco album)- Dilate (musical project), ambient solo project of Vampire Rodents keyboardist Victor Wulf
*Dilation*(album), 2011 album by comedian Rory Scovel

## See also[edit]

disambiguation page lists articles associated with the title Dilation. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
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