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

[Latin obtūrāre, obtūrāt-; see teuə- in Indo-European roots.]

ob′tu·ra′tion n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Firearms, Gunnery, Ordnance & Artillery) (tr) to stop up (an opening, esp the breech of a gun)
[C17: from Latin obtūrāre to block up, of obscure origin]
ˌobtuˈration n
ˈobtuˌrator n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈɒb təˌreɪt, -tyə-)

v.t. -rat•ed, -rat•ing.
to stop up; close.
[1550–60; < Latin obtūrātus, past participle of obtūrāre to block, stop up]
ob`tu•ra′tion, n.
ob′tu•ra`tor, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


Past participle: obturated
Gerund: obturating

I obturate
you obturate
he/she/it obturates
we obturate
you obturate
they obturate
I obturated
you obturated
he/she/it obturated
we obturated
you obturated
they obturated
Present Continuous
I am obturating
you are obturating
he/she/it is obturating
we are obturating
you are obturating
they are obturating
Present Perfect
I have obturated
you have obturated
he/she/it has obturated
we have obturated
you have obturated
they have obturated
Past Continuous
I was obturating
you were obturating
he/she/it was obturating
we were obturating
you were obturating
they were obturating
Past Perfect
I had obturated
you had obturated
he/she/it had obturated
we had obturated
you had obturated
they had obturated
I will obturate
you will obturate
he/she/it will obturate
we will obturate
you will obturate
they will obturate
Future Perfect
I will have obturated
you will have obturated
he/she/it will have obturated
we will have obturated
you will have obturated
they will have obturated
Future Continuous
I will be obturating
you will be obturating
he/she/it will be obturating
we will be obturating
you will be obturating
they will be obturating
Present Perfect Continuous
I have been obturating
you have been obturating
he/she/it has been obturating
we have been obturating
you have been obturating
they have been obturating
Future Perfect Continuous
I will have been obturating
you will have been obturating
he/she/it will have been obturating
we will have been obturating
you will have been obturating
they will have been obturating
Past Perfect Continuous
I had been obturating
you had been obturating
he/she/it had been obturating
we had been obturating
you had been obturating
they had been obturating
I would obturate
you would obturate
he/she/it would obturate
we would obturate
you would obturate
they would obturate
Past Conditional
I would have obturated
you would have obturated
he/she/it would have obturated
we would have obturated
you would have obturated
they would have obturated
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.obturate - block passage throughobturate - block passage through; "obstruct the path"
block off, blockade - obstruct access to
barricado, barricade - block off with barricades
barricade - prevent access to by barricading; "The street where the President lives is always barricaded"
asphyxiate, suffocate, stifle, choke - impair the respiration of or obstruct the air passage of; "The foul air was slowly suffocating the children"
tie up - restrain from moving or operating normally; "Traffic is tied up for miles around the bridge where the accident occurred"
dam, dam up - obstruct with, or as if with, a dam; "dam the gorges of the Yangtse River"
block out, screen - prevent from entering; "block out the strong sunlight"
earth up, land up - block with earth, as after a landslide
barricade, block, block up, blockade, block off, bar, stop - render unsuitable for passage; "block the way"; "barricade the streets"; "stop the busy road"
clog, clog up, congest, choke off, foul, back up, choke - become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up"
hinder, impede - be a hindrance or obstacle to; "She is impeding the progress of our project"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Out of 142, 5 mesial roots had 3-2 configuration which is Type XII, two roots had 2-3 configuration classified as Type XIII by Gulavibala et al.36 and, 1 mesial root had 2-3-2 configuration categorised as Type XXI by Al-Qudah and Awwadeh.33 It is often easy for a clinician to debride and obturate Type II and Type IV.
Thus, the filling materials should be flowable to obturate the resorption defect adequately (5).
While these systems all use their own syringes to obturate root canals with light pressure (20), according to the literature, they share a common defect: overfilling.
Be assured that whatever evolves from this fractious divorce between a divided Britain and an obturate Brussels the child will be unloved and disowned.
The answer is the cartridge itself seals the breech, with the polymer from the case flowing into the empty space to form a seal and obturate the chamber.
When treating maxillary first molars, a major cause of endodontic failure is the inability to properly locate, debride, or obturate the additional canals in the mesiobuccal root (Weine et al, 1999).
The chamber pressure has to be higher than the Brinnell hardness number of the bullet times 1,440 in order to make the bullet obturate. For example, the Colt .45 has a SAAMI upper pressure limit of 14,000 psi.
The 7.62x39mm operates at the same industry maximum average chamber pressure as the .30-06 Springfield, and I'm thinking the 50,000 CUP kick in the rump causes slightly undersized lead-core bullets to obturate enough to fill the grooves of the rifling.
The complexity of C-shaped canals makes them difficult to clean, shape, and obturate effectively [15, 16].
Compared to a harder bullet, a softer bullet will swell (obturate) harder against the bore interior.
Multiple sites injection was an attempt to completely obturate the gastric varices in one session.