(n.) The lock of a fusee or carbine; also, the fusee or carbine itself.
(n.) An iron instrument having a jaw to fit a nut or the head of a bolt, and used as a lever to turn it with; a wrench; specifically, a wrench for unscrewing or tightening the couplings of hose.
(n.) A contrivance in some of the ealier steam engines for moving the valves for the alternate admission and shutting off of the steam.
Example Sentences:
(1) An open-ended torque release spanner was set for 0.9 Newton-metres for clinical use such that the compressive load is sufficient to prevent pull-out even in the unlikely event of 60 lb being applied for up to 21 days.
(2) Another spanner in the Brotherhood's works was the recent decision by the supreme constitutional court to dissolve parliament, in which it was the majority bloc through its political arm, the Freedom and Justice party.
(3) 9.07pm GMT Final score: Panthers 21-20 Falcons For a moment it appeared as though the Falcons were about to throw a spanner in the works, driving up to near midfield with 30 seconds left to play.
(4) And despite what he says, it would be very tough for him to beat her.” Clinton spent last summer fighting accusations of inappropriate use of a personal email server during her time as secretary of state, an issue that threw an unexpected spanner in what was initially seen as a clear path to the nomination.
(5) Fulham thought they'd secured the striker's scrawl, but it now seems that Big Sam might be on the verge of throwing a spanner in the works.
(6) He thinks the party’s current stance on solving 21st-century problems is as outdated as “trying to overhaul an Apple MacBook with a spanner” and says decisions should be made by members networked via the internet rather than in local party meetings in draughty church halls.
(7) Fittingly, most traces of this Michael Green’s HowToCorp company have since been erased from cyberspace, perhaps by his own software, jammed in reverse gear with an imaginary spanner.
(8) If this is the tone in which the UK proceeds, then throwing spanners in May’s works will be irresistible to many of them.
(9) "Kim Dotcom could throw a real spanner in the works of this year's general election," Bryce Edwards, a political commentator and lecturer at the University of Otago, wrote on his blog.
(10) Barclays' decision threatens to throw a spanner in the works as Somalia embarks on reconstruction.
(11) "Coalition government and Ukip have thrown spanners in the old assumptions," says Sanders.
(12) A Scandal in Bohemia opens with Conan Doyle sidelining feeling as "grit in a sensitive instrument", a spanner in the works of the world's "most perfect reasoning and observing machine".
(13) 7 Get a spanner Things are going to go wrong much more often, so expect mini-disasters.
(14) Two series of bivalent ligands (P-X-P) containing the (R,S)-3-[(4-aminoaryl)oxy]-1-(isopropylamino)propan-2-ol pharmacophore and a connecting alpha,omega-dicarbonylpoly(methylene) [X = -OC(CH2)nCO-] or alpha,omega-N,N'-bis(carbonylmethylene) polymethylenediamine [X = -OCCH2NH(CH2)nNHCH2CO-] spanner were synthesized and evaluated for beta-adrenoceptor antagonist activity in rat heart and lung membrane preparations.
(15) But there's another, easier way of establishing whether someone is two spanners short of a tool box.
(16) There’s a social stigma, too.” The design of the new devices, from masculine chrome pipes like luxury motorbike spanners to delicate diamanté bling-sticks, helps, too.
(17) In short, they are all much better riders than me and calmly slide out of their saddles at the end of the day while I limp off as if I have been sitting on a bag of spanners.
(18) More self-harm to report: a single decision with the potential to devastate the finances of millions, blight some of the poorest communities in the developing world and throw a spanner in the workings of our aid agencies.
(19) The data suggest that further increases in spanner length and lipophilicity and optical resolution may improve the potential of a labeled bivalent beta 1-adrenoceptor antagonist to function as a myocardial imaging agent.
(20) Jack Lang (@snap_kaka_pop) Potential spanner in the works for Everton?
Valve
Definition:
(n.) A door; especially, one of a pair of folding doors, or one of the leaves of such a door.
(n.) A lid, plug, or cover, applied to an aperture so that by its movement, as by swinging, lifting and falling, sliding, turning, or the like, it will open or close the aperture to permit or prevent passage, as of a fluid.
(n.) One or more membranous partitions, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or retard the flow in the opposite direction; as, the ileocolic, mitral, and semilunar valves.
(n.) One of the pieces into which a capsule naturally separates when it bursts.
(n.) One of the two similar portions of the shell of a diatom.
(n.) A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, as in the barberry.
(n.) One of the pieces or divisions of bivalve or multivalve shells.
Example Sentences:
(1) This paper discusses the typical echocardiographic patterns of a variety of important conditions concerning the mitral valve, the left ventricle, the interatrial and interventricular septum as well as the influence of respiration on the performance of echocardiograms.
(2) External phonocardiography performed at the time of cardiac catheterization revealed that this loud midsystolic click disappeared whenever a catheter was positioned across the mitral valve.
(3) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
(4) Valve-related complications were noted in four patients.
(5) Digestion is initiated in the gastric region by secretion of acid and pepsin; however, diversity of digestive enzymes is highest in the post-gastric alimentary canal with the greatest proteolytic activity in the spiral valve.
(6) The aortic area (Torlin) for diseased stenotic aortic valves was calculated in 10 patients using two different methods; data obtained in preoperative cardiac catheterization and by intraoperative flowmetric and aortic and left ventricular pressure-recording measurements, and their mutual correlation was tested.
(7) He underwent a mitral and aortic valve replacement, followed by a complicated postoperative course.
(8) In addition, spontaneous platelet aggregation is increased when vegetations are present on cardiac valves.
(9) This report represents the first comprehensive description of instantaneous and continous phasic blood velocity at the mitral valve during atrial arrhythmias in man.
(10) This study demonstrated that significant global and regional ventricular dysfunction develops immediately after removal of the papillary muscles, whereas myocardial contractility is preserved in patients undergoing mitral valve repair.
(11) The autopsy findings in 41 patients with University of Cape Town aortic valve prostheses were studied.
(12) This developed concept of "valve only" energy loss has the potential of standardising the findings of different research groups by removing the arbitrary selection of measurement points from reported results.
(13) The organisms were predominantly associated with host deposits of erythrocytes, phagocytes, platelets, and fibrinous-appearing material, which collectively appeared on the valve surface in response to trauma.
(14) Autopsy revealed a primary intimal sarcoma with osteogenic elements arising in the posterior leaflet of the pulmonary valve and obstructing the main pulmonary artery and its right branch.
(15) With a series of 117 aortic valve replacements, the authors have examined the results in relation to the method of protecting the myocardium while the aorta is clamped off.
(16) Left ventricular rupture is a serious complication of mitral valve replacement.
(17) Any type of valve element can serve as the expiratory valve.
(18) Echocardiographic findings included an abrupt midsystolic, posterior motion (greater than 3 mm beyond the CD line) in five patients, multiple sequence echoes in six, and posterior coaptation of the mitral valve near the left atrial wall in six.
(19) A block of tissue bounded by the ostium of the coronary sinus, the pars membranacea, the septal leaflet of the tricuspid valve and the atrial and ventricular septa is removed.
(20) A case of tricuspid valve endocarditis with spinal epidural abscess caused by Actinobacillus actinomycetemcomitans is reported in a 74-year-old male with an endocardial pacemaker.