dilation

Caffeine temporarily shrinks blood vessels and less dilation means less visible swelling.

From BBC ● Feb. 16, 2026

Not only do we tend to mirror each other’s movements, postures, facial expressions and gestures; we also uncannily sync up our heart rates, blood pressure, pupil dilation and hormonal activity.

From The Wall Street Journal ● Jan. 22, 2026

Time itself passes differently at such distances -- a phenomenon known as cosmological time dilation.

From Science Daily ● Nov. 7, 2025

For a first-trimester abortion that involves cervical dilation and suction, applying a paracervical block is standard.

From Slate ● Sep. 7, 2025

You become compressed in the direction of motion, your mass increases, and time, as you experience it, slows down, a breathtaking consequence of traveling close to the speed of light called time dilation.

From "Cosmos" by Carl Sagan

"For the highest-performing participants, their pupil dilations were both larger overall and the individuals were more discerning about the information they were asked to recall."

From Science Daily ● Apr. 22, 2024

Like all beauties, these are dilations of time.

From New York Times ● Mar. 9, 2021

The stopped time of a painting, say, or the dilations of the novel, in which it is possible to see patterns and consequences that are otherwise invisible.

From The Guardian ● Mar. 21, 2020

The results showed that people with consistently larger pupil dilations made the most erratic decisions.

From Forbes ● Sep. 24, 2014

After five years my body became so strong that I could control even the dilations of the pupils inside my irises.

From "The Woman Warrior" by Maxine Hong Kingston