obturate

obturate
obturation, n.obturator, n.
/ob"teuh rayt', -tyeuh-/, v.t., obturated, obturating.
1. to stop up; close.
2. Ordn. to close (a hole or cavity) so as to prevent a flow of gas through it, esp. the escape of explosive gas from a gun tube during firing.
[1550-60; < L obturatus, ptp. of obturare to block, stop up]

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  • Obturate — means to block or obstruct[1]. With reference to firearms and airguns, obturation refers to the process of a bullet or pellet, made of soft material and often with a concave base, flaring under the pressure of firing to seal the bore and engage… …   Wikipedia

  • Obturate — Ob tu*rate, v. t. [imp. & p. p. {Obturated}; p. pr. & vb. n. {Obturating}.] [L. obturatus; p.p. of obturare.] To stop or close, as an opening; specif., (Ordnance), to stop (a gun breech) so as to prevent the escape of gas in firing. [Webster 1913 …   The Collaborative International Dictionary of English

  • obturate — I verb block, clog, close, cork, hinder, interfere, obstruct, prevent, shut, stop up, stopper II index balk, deter, occlude Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • obturate — [äb′to͞o rāt΄, äb′tyo͞orāt΄] vt. obturated, obturating [< L obturatus, pp. of obturare, to stop up < ob (see OB ) + base akin to turgere, to swell: see TURGID] Rare to close (an opening); stop up; obstruct obturation n. obturator n …   English World dictionary

  • obturate — transitive verb see obturation …   New Collegiate Dictionary

  • obturate — ob·tu·rate || É‘btjÉ™reɪt / É’btjÊŠÉ™ v. seal; stop up; close; plug the opening in a firearm to prevent the escape of gas during firing (Weaponry) …   English contemporary dictionary

  • obturate — ob·tu·rate …   English syllables

  • obturate — ob•tu•rate [[t]ˈɒb təˌreɪt, tyə [/t]] v. t. rat•ed, rat•ing to stop up; close • Etymology: 1550–60; < L obtūrātus, ptp. of obtūrāre to block, stop up ob tu•ra′tion, n. ob′tu•ra tor, n …   From formal English to slang

  • obturate — /ˈɒbtʃəreɪt/ (say obchuhrayt) verb (t) (obturated, obturating) 1. to stop up; close. 2. Gunnery to seal (a gun breech) to prevent gas from escaping when the gun is fired. {Latin obtūrātus, past participle} –obturation /ɒbtʃəˈreɪʃən/ (say obchuh… …  

  • obturate —   v.t. stop up, especially    ♦ obturation,    ♦ obturator, n …   Dictionary of difficult words

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