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

However, in their new study published in the peer-reviewed journal Attention, Perception & Psychophysics, the researchers reported that a person's pupils also dilate when they are concentrating on tasks.

From Science Daily • Apr. 22, 2024

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

From National Geographic • Feb. 21, 2024

And it is still widely considered effective as a nasal spray, or when it is used in surgery and to dilate the eyes.

From New York Times • Sep. 12, 2023

I stand in the room, letting the pupils of my eyes dilate, like a cat’s or owl’s.

From "The Handmaid's Tale" by Margaret Atwood