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obturate

[ob-tuh-reyt, -tyuh-] /ˈɒb təˌreɪt, -tyə-/
verb (used with object), obturated, obturating.
1.
to stop up; close.
2.
Ordnance. to close (a hole or cavity) so as to prevent a flow of gas through it, especially the escape of explosive gas from a gun tube during firing.
Origin
1550-1560
1550-60; < Latin obtūrātus, past participle of obtūrāre to block, stop up
Related forms
obturation, noun
obturator, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for obturation
  • With bagged charges the breech itself provides obturation and holds the primer.
British Dictionary definitions for obturation

obturate

/ˈɒbtjʊəˌreɪt/
verb
1.
(transitive) to stop up (an opening, esp the breech of a gun)
Derived Forms
obturation, noun
obturator, noun
Word Origin
C17: from Latin obtūrāre to block up, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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obturation in Medicine

obturate ob·tu·rate (ŏb'tə-rāt', -tyə-)
v. ob·tu·rat·ed, ob·tu·rat·ing, ob·tu·rates
To close or obstruct.


ob'tu·ra'tion n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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