obturate

obturate

[ob-tuh-reyt, -tyuh-]
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:
1550–60; < Latin obtūrātus, past participle of obtūrāre to block, stop up

obturation, noun
obturator, noun
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World English Dictionary
obturate (ˈɒbtjʊəˌreɪt)
 
vb
(tr) to stop up (an opening, esp the breech of a gun)
 
[C17: from Latin obtūrāre to block up, of obscure origin]
 
obtu'ration
 
n
 
'obturator
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

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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