Definition, Meaning & Synonyms

dilation

noun

dih-LAY-shun

Definition

The act of expanding or enlarging something.

Examples

The dilation of the pupils allows more light to enter the eye.
During the procedure, the doctor noted the dilation of the blood vessels.
In astronomy, the dilation of space can affect the observation of distant galaxies.

Meaning

Dilation refers to the process of something becoming larger or wider, often used in medical contexts to describe the widening of blood vessels, pupils, or other bodily structures.