Dictionary

dilation

noun di·la·tion \dī-ˈlā-shən\

Definition of DILATION

1
:  the act or action of dilating :  the state of being dilated :  expansion, dilatation
2
:  the action of stretching or enlarging an organ or part of the body
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First Known Use of DILATION

15th century
Medical Dictionary

dilation

noun di·la·tion \dī-ˈlā-shən\

Medical Definition of DILATION

1
:  the state of being dilated :  dilatation
2
:  the action of stretching or enlarging an organ or part of the body <cervical dilation> <dilation of the pupil with atropine>

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