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Definitions

dilation

[dahy-ley-shuhn, dih-] / daɪˈleɪ ʃən, dɪ- /
NOUN
distention
Synonyms


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.

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

She developed a serious infection and went to the hospital, where physicians would ordinarily have performed a dilation and curettage to remove the remaining tissue.

From Slate • Sep. 19, 2024

Mungia had two miscarriages which required dilation and curettage procedures.

From Los Angeles Times • Aug. 22, 2024

“But not to the physical stimulus; you’re not measuring dilation, for instance. It’ll be to the verbal questions; what we call a flinch reaction.”

From "Do Androids Dream of Electric Sheep?" by Philip K. Dick




Vocabulary lists containing dilation