dilate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Atropine eye drops are typically used to dilate the pupil before eye exams.

From The Wall Street Journal • Dec. 28, 2025

As a result, blood flow to that area increases dramatically as blood vessels dilate, causing pain and swelling.

From National Geographic • Feb. 21, 2024

Longer-term use of a catheter would only be needed if doctors were unable to sufficiently dilate the urethra.

From New York Times • Feb. 12, 2024

For example, the pupil tends to dilate during complex cognitive tasks or in response to unexpected stimuli.

From Science Daily • Oct. 24, 2023

His pupils contract to pinpoints, dilate again rapidly, and then return to something resembling normalcy.

From "Mockingjay" by Suzanne Collins