obturate


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ob·tu·rate

 (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.

obturate

(ˈɒbtjʊəˌreɪt)
vb
(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

ob•tu•rate

(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.

obturate


Past participle: obturated
Gerund: obturating

Imperative
obturate
obturate
Present
I obturate
you obturate
he/she/it obturates
we obturate
you obturate
they obturate
Preterite
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
Future
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
Conditional
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 ?
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.
Weaker bullets obturate harder against the bore, and obturation increases as chamber pressure increases.
They have flared skirts that obturate the bore, sealing compressed air behind them.
Extraction was sometimes a problem with full velocity loads where the fired cartridge would fully obturate the chamber and cling more tightly to the chamber wall.
On the flip side revolver bullets need to obturate, which means swell up.
454 chamber pressures, those with soft lead cores and relatively thin jackets can obturate excessively when entering the forcing cone of the barrel, causing pressures to skyrocket to dangerous levels.
Full-diameter bullets like the Power Belt or Hornday FPB that obturate to engage the rifling will shoot more consistently than sabots in this case.
I say that look ten years with my breath I've been breathing hard forms, compact, opaque, unbridled, without archings in the limbo of my body not made and which finds itself hence made and that I find every time the 10,000 beings to criticize me, to obturate the attempt of the edge of a pierced infinite.
One of the most important properties that permanent obturation cements must possess is viscosity (the fluidity) of the material, in order to fill in the space between the gutta-percha and the dentin walls better, and be able to reach and fill in all the irregularities of the canal space and to obturate the holes of the lateral and the accessory canals [6].