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Word of the Day Tuesday, June 9, 2026

dilator

/dɪˈleɪtər/ noun · British & US
Valid in UKValid in US
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What does dilator mean?

noun

A device or instrument used to dilate or widen something, such as a blood vessel or an opening. A dilator is also a verb meaning to widen or expand something.

Example

"The surgeon used a dilator to widen the patient's airway during the operation."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for dilator

Antonyms of dilator

Rhymes with dilator

Etymologically related