Definition of dilate
1 archaic : to describe or set forth at length or in detail dilate at full what hath befallen of them — Shakespeare
2 : to enlarge or expand in bulk or extent : distend, widen dilate our cultural knowledge … long after Italian women used drops of belladonna to artificially dilate their pupils. — Michael H. Robinson
1 : to comment at length : discourse —usually used with on or upon dilating upon themes of love and death
2 : to become wide : swell the pupil of the eye dilates and contracts
dilatabilityplay \(ˌ)dī-ˌlā-tə-ˈbi-lə-tē\ noun
dilatorplay \dī-ˈlā-tər, ˈdī-ˌ\ noun
Examples of dilate in a Sentence
The drug causes the blood vessels to dilate.
During labor, a woman's cervix will dilate to about 10 centimeters.
The drug dilates the blood vessels.
Recent Examples of dilate from the Web
When performing demanding strength building exercises, muscles surrounding the arteries contract and squeeze the arteries, not allowing them to dilate (increase in diameter).
The next time my midwife came to check me, I was fully dilated.
These triggers set off a reflex in our nervous system that cause our hearts — surprisingly — toslow instead of speed up and our blood vessels to dilate instead of constrict.
The medical people examined me and found my eyes were super-dilated, which was an indication of swelling of the brain.
Some Russian drug abusers inject tropicamide, which doctors normally use to dilate pupils, into their veins to amplify the effects of other substances.
When something or someone stresses you, your body's reactions range from harmless (like your pupils dilating) to damn near self-destructive (like stress hormones releasing).
The nurse passes the ob/gyn an instrument to help dilate the patient’s cervix, and then passes her the vacuum aspirator.
Officials say the effects of synthetic marijuana can include agitation, extreme nervousness, nausea, vomiting, diarrhea, a racing heartbeat, hallucination and dilated pupils.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dilate'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Synonym Discussion of dilate
DILATE Defined for English Language Learners
Definition of dilate for English Language Learners
: to become larger or wider
DILATE Defined for Kids
Definition of dilate for Students
: to make or grow larger or wider Her pupils dilated in the dark.
Medical Definition of dilate
transitive verb: to enlarge, stretch, or cause to expand dilate his pupils with atropine the drug dilates peripheral arteries
intransitive verb: to become expanded or swollen the cervix was dilating the pupils dilated
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