dilate Meaning, definition in Cambridge English Dictionary
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Meaning of "dilate" - English Dictionary

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dilateverb [I or T]

uk   /daɪˈleɪt/  us   /ˈdaɪ.leɪt/
to (cause a part of the body to) become wider or further open: The pupils of the eyes dilate as darkness increases. This drug will dilate the arteries.
Phrasal verbs
(Definition of dilate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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