dilation

[dahy-ley-shuhn, di-]
noun
1.
the act of dilating; state of being dilated.

Origin:
1590–1600; dilate + -ion

nondilation, noun
overdilation, noun
self-dilation, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To dilation
Collins
World English Dictionary
dilate (daɪˈleɪt, dɪ-)
 
vb
1.  to expand or cause to expand; make or become wider or larger: the pupil of the eye dilates in the dark
2.  (intr; often foll by on or upon) to speak or write at length; expand or enlarge
 
[C14: from Latin dīlātāre to spread out, amplify, from dis- apart + lātus wide]
 
di'latable
 
adj
 
dilata'bility
 
n
 
di'latableness
 
n
 
di'lation
 
n
 
dilatation
 
n
 
dila'tational
 
adj
 
dilative
 
adj

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
Etymonline
Word Origin & History

dilation
1590s, formed from dilate on the mistaken assumption that the -ate in that word was the L. verbal suffix (it is instead part of the stem); the proper form, dilatation, is older (c.1400).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

dilation di·la·tion (dī-lā'shən, dĭ-)
n.

  1. The act of expanding or the condition of being expanded.

  2. Dilatation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
dilation   (dī-lā'shən, dĭ-)  Pronunciation Key 
The widening or stretching of an opening or a hollow structure in the body.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Gravitational red shift wavelength dilation proves gravity is produced by the
  absorption of time by matter.
Actually time dilation is measurable even at slower speed.
Both laws prohibited the procedure known medically as intact dilation and
  extraction.
If urethral dilation is not successful or possible, you may need surgery to
  correct the condition.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;