dilator

[dahy-ley-ter, di-, dahy-ley-]
noun
1.
Anatomy. a muscle that dilates some cavity of the body.
2.
Surgery. an instrument for dilating body canals, orifices, or cavities.
Also, dilater.


Origin:
1595–1605; dilate + -or2

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To dilator
Collins
World English Dictionary
dilator, dilater or dilatator (daɪˈleɪtə, dɪ-, daɪˈleɪtə, dɪ-, ˌdaɪləˈteɪtə, ˌdɪ-)
 
n
1.  something that dilates an object, esp a surgical instrument for dilating a bodily cavity
2.  a muscle that expands an orifice or dilates an organ
 
dilater, dilater or dilatator
 
n
 
dilatator, dilater or dilatator
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

dilator di·la·tor (dī-lā'tər, dī'lā'-, dĭ-lā'-)
n.

  1. An instrument or a substance for enlarging a cavity, canal, blood vessel, or opening.

  2. A muscle that dilates an orifice or a body part, such as a blood vessel or the pupil of the eye. Also called dilatator.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Example sentences
All hyperons and isotopes were modeled as more complex coherences based upon the fundamental dilator one.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature