Her pupils began to dilate as she entered the dark room.The doctor will dilate your eyes before the examination.Certain medications can cause your blood vessels to dilate.
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Dilate
/daɪˈleɪt/
To make something wider or larger, or to become wider or larger
Examples:
The pupils dilate in dim lighting.He watched her eyes dilate with surprise.The flower petals begin to dilate at dawn.
Synonyms:
Antonyms:
Ways to tell them apart:
Dilate is the correct spelling of the verb meaning to widen or expand.
Dialate is a common misspelling of dilate but carries no official definition.
To remember the correct spelling, associate dilate with late, which both have similar vowel sounds and the correct arrangement of letters.
Think of dilate relating to the phrase eye dilation, which is a precise term used in medical and optical contexts.
Rely on the classic mnemonic: I hate it when my eyes dilate at the ophthalmologist!