The meaning of DILATE is to become enlarged or widened; also : to display or become affected by expansion or widening of a body part. How to use dilate in a sentence.

DILATE definition: 1. to (cause a part of the body to) become wider or further open: 2. to (cause a part of the body…. Learn more.

Dilate definition: to make wider or larger; cause to expand.. See examples of DILATE used in a sentence.

Definition of dilate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

To dilate something is to make it wider. When the light fades, the pupil of your eye will dilate, meaning it looks bigger. The verb dilate comes from the Latin word dilatare, which means …

1. to make wider or larger; expand: to dilate the pupils of the eyes. 2. Archaic. to describe or develop at length.

When things such as blood vessels or the pupils of your eyes dilate or when something dilates them, they become wider or bigger. At night, the pupils dilate to allow in more light.

Oct 15, 2025 · dilate (third-person singular simple present dilates, present participle dilating, simple past and past participle dilated) (transitive) To enlarge; to make bigger. The eye doctor …

Some common synonyms of dilate are amplify, distend, expand, inflate, and swell. While all these words mean "to increase in size or volume," dilate applies especially to expansion of …

DILATE meaning: 1 : to become larger or wider; 2 : to talk about (a subject) for a long time