Dilate meaning

dī-lāt, dīlāt
To become wider or larger; expand.
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To dilate is defined as to expand and become wider.

An example of dilate is when your eyes become wide with excitement.

verb
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To make wider or larger; cause to expand.
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To speak or write at great length on a subject; expatiate.
verb
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To make wider or larger; cause to expand or swell; stretch.
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To become wider or larger; swell.
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To speak or write in detail (on or upon a subject)
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To enlarge; to make bigger.

The eye doctor put drops in my eye to dilate the pupil so he could see the nerve better.

verb
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(intransitive) To become wider or larger; to expand.
verb
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(intransitive) To speak largely and copiously; to dwell in narration; to enlarge; with "on" or "upon".
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Origin of dilate

  • Middle English dilaten from Old French dilater from Latin dīlātāre to enlarge dī-, dis- apart dis– lātus wide

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle French dilater, from Latin dīlātō (“I spread out”), from di-, variant of dis- + latus (“wide”).

    From Wiktionary