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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 ?
The apical 2mm of all obturated specimens were marked17 and resected from apical end at 90 Adeg towards the long axis of root using diamond fissure bur in highspeed hand piece (Fig 1).
On the second visit, tooth was asymptomatic, temporary restoration and calcium hydroxide dressing was removed, both canals were then obturated with combination of lateral and vertical condensation using Guttapercha and AH Plus sealer (Maillefer, Dentsply, Konstanz, Germany).
Distribution of gutta-percha (pink area), sealer (purple area), and void (yellow area) are as in stereo micro scope cross-section of a sample Gutta-percha Sealer Void Total Area 138.43 697.95 277.65 1114.03 Percent 12.43 62.65 24.92 100 Total filling: The AIRC was completely obturated in the buc-colingual as well as in the mesiodistal radiographs.
It grows through the formation of a biofilm, an adaptive process that enables the microorganism to tolerate in severely harsh conditions like obturated root canals.
Comparing microleakage in root canals obturated with nanosilver coated gutta-percha to standard gutta-percha by two different methods.
(i) The maxillary central incisors and lateral incisors were pulpectomised and obturated with Vitapex (Neo Dental Chemical Products Co.
Gutmann, "Analysis of the gutta-percha filled area in C-shaped mandibular molars obturated with a modified MicroSeal technique," International Endodontic Journal, vol.
Roots were obturated using a single matching cone obturation technique, without condensation to maintain experimental consistency among all groups.
After 2 months, he was again admitted owing to hematemesis, and gastroscopy revealed large esophageal varices and obturated GOV2 (Figure 1e).
Swaging resistance: Force required to swage an obturated bullet down to fit the bore (usually a significant factor only in revolvers, where the bullet swells into the forcing cone, as it exits the cylinder).