AskDefine | Define dilation

Dictionary Definition



1 a lengthy discussion (spoken or written) on a particular topic
2 the act of expanding an aperture; "the dilation of the pupil of the eye" [syn: dilatation]

User Contributed Dictionary




  1. Delay.
  2. The act of dilating, or the state of being dilated; expansion; dilatation.

Extensive Definition

The term dilation may have a number of meanings:
In physiology, where it is synonymous with dilatation, it may mean:
In physics:
A dilations is an increasing a points distance from the origin by a given factor, K. Dilations can be done to a single point or a set of points. The notation for a dilation is Dk
In music:
dilation in German: Dilatation
dilation in French: Dilatation (homonymie)
dilation in Polish: Dylatacja
dilation in Ukrainian: Дилатація

Synonyms, Antonyms and Related Words

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