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Webster's New World College Dictionary » dilation
dilation
dilation definition
di·la·tion (dī lā′s̸hən, di-)
noun
- a dilating or being dilated, as of the pupil of an eye, a blood vessel, or the cervix during childbirth
- a dilated part
Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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