Definitions

1. noun

the act or process of dilating or the state of being dilated; a stretching or expansion of something

“The doctor ordered an MRI to check for dilation of the blood vessels in her brain.”

2. noun

a widening or spreading of something, such as a part of the eye

“After the dilation of the pupil, the doctor examined her eyes carefully.”

3. noun

a scaling or enlargement of something, especially in mathematics

“The dilation of the triangle resulted in a larger triangle with the same angles.”

4. verb

to make something wider or larger

“The surgeon dilated the airway to clear the obstruction.”

5. verb

to cause something to become wider or larger

“The medication dilated the pupils of the rabbit’s eyes.”