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

Just as the eye's pupils constrict or dilate like a camera's aperture to adjust how much light gets in, the ears too have their own way to regulate hearing.

From Science Daily • Nov. 22, 2023

At regular concentrations of about 1 percent, atropine is used to dilate the pupil for eye exams.

From National Geographic • Nov. 1, 2023

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

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

From "Mockingjay" by Suzanne Collins