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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.


(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


(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.


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
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"
References in periodicals archive ?
Insertion of a suburetral sling through the obturating membrane for treatment of female urinary incontinence.
Gencoglu et al (5) found that thermoplasticized gutta-percha injection techniques using Obtura II system were significantly better in obturating artificial internal resorption cavities (AIRC) than Thermafil and cold lateral compaction techniques.
Comparison of cold lateral condensation and a warm multiphase gutta-percha technique for obturating curved root canals.
How the obturating material is mixed and the technique used for obturation also significantly affects the success of primary teeth root-canal treatment (3,4).
Filling material so should be biocompatible, non-toxic, non-carcinogenic, easily obtainable, convenient to use, inexpensive, and promote the growth of cementum or allow for its replacement by new, healthy bone by acting as a barrier against which the root canal obturating material can be placed.
We sometimes read about cast bullets obturating, or swelling, due to chamber pressure, filling the bore and sealing it.
Monticelli et al., "Effectiveness of resin-coated gutta-percha cones and a dual-cured, hydrophilic methacrylate resin-based sealer in obturating root canals," Journal of Endodontics, vol.
It was also reported that there was no difference in healing rates of cases treated with carrier-based systems and lateral condensation of guttapercha (5).The American Association of Endodontists' Guide to Clinical Endodontics states that root canal sealers are used in conjunction with a biologically acceptable semi-solid or solid obturating material to establish an adequate seal of the root canal system (6).
For decompression and to keep the surgical window patent an acrylic obturator was planned which had a retentive and an obturating component (Fig.
That's what I loaded behind the 250-grain AccuTip and Federal's new, easy-loading, 270-grain, BOR Lock bullet, which features an integral, expanding, obturating polymer base cup and scraper ring rather than a sabot to engage the rifling.