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Related to dilation: Cervical dilation
a. The act of expanding or enlarging or the state of being expanded or enlarged: dilation of the cervix during labor.
b. The condition of being abnormally expanded or enlarged, as of an organ, orifice, or tubular structure in the body.
2. A lengthy spoken or written discussion on a topic: "an Edith Whartonesque dilation on a social class steeped in hypocrisy" (Caroline Seebohm).
di•la•tion(daɪˈleɪ ʃən, dɪ-)
1. the act of dilating or the state of being dilated.
3. the increase in volume per unit volume of a homogeneous substance.
Dilationof pupils: schoolchildren collectively—Lipton, 1970.
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|Noun||1.||dilation - a lengthy discussion (spoken or written) on a particular topic|
|2.||dilation - the act of expanding an aperture; "the dilation of the pupil of the eye"|
vasodilation - dilation of blood vessels (especially the arteries)
mydriasis - reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs