What's the difference between aperture and leak?

Aperture


Definition:

  • (n.) The act of opening.
  • (n.) An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.
  • (n.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture.

Example Sentences:

  • (1) Both apertures were repaired with great caution using individual sutures without resection of the hernial sac.
  • (2) By moving an electronic pen over a digitizing tablet, the subject could explore a line drawing stored in memory; on the display screen a portion of the drawing appeared to move behind a stationary aperture, in concert with the movement of the pen.
  • (3) The procedure consists of a Kirschner wire used as the means of traction on the remaining soft tissue of the lower lip, using the upper teeth or pyriform aperture bone as remote fixed points for tissue traction.
  • (4) The calibrated aperture in the bottom of each well is small enough to retain fluid contents by surface tension during monolayer growth, but also permits fluid to enter the wells when transfer plates are lowered into receptacles containing washing buffer or test sera.
  • (5) Acute toxicity consisted primarily of pain within the AA aperture (74%), pain outside the aperture (33%), and bladder spasm (26%) or systemic stress (25%).
  • (6) Latex particles, including BCR Certified Reference Material CRM 166a, have important applications for checking linearity and for calibrating aperture-impedance instruments used to determine red-cell volumes.
  • (7) The distance between the apertures on the screen as well as the subject's distance from the screen served as experimental parameters.
  • (8) When the highly crystalline core contents are suitably oriented to transmit their Bragg reflections through the objective aperture, regular fringes separated by 2-9.5 A have been visualized.
  • (9) Aperture size was modulated during flight on some trials in an attempt to test between these possibilities, but the results were inconclusive.
  • (10) When examined with the 3 mm aperture, the average resolving power of the IOLs was 81% of the diffraction limit; when examined with the 4 mm aperture, the average resolving power was 67% of the diffraction limit.
  • (11) Its principle consists in repairing the tissue defect resulting from the excision of the lower lip by the additional surgical removal of one or two soft tissue triangles from the region of the nasolabial fold and in achieving primarily, by means of horizontal relieving incisions at the base of the lip defect, an extension of the mouth aperture.
  • (12) Temporal fluctuations of stomatal aperture are important to water use efficiency.
  • (13) Specific microscope components and objectives are used, and the numerical apertures are adjusted such that light diffraction colors are produced to allow differentiation of the various biological entities and their habitat materials.
  • (14) Topographical corneal thickness changes were monitored in 10 subjects who each wore a hydrogel contact lens with a large central aperture ("donut" lens) for 6 hours.
  • (15) The theory is based on a three-dimensional model and the electromagnetic field is assumed to be generated by a prescribed electric field along a ring-shaped aperture.
  • (16) Quantitative analysis of an area 27 microns in diameter, or a total analysed volume of 1.1 microns3, was performed by using a mechanical aperture in the ion optical system.
  • (17) We evaluated both low- and high-power lenses and varied the input aperture size between 1, 3, and 5 mm.
  • (18) Subjects were asked to match the speeds of two moving random-dot patterns seen through circular apertures.
  • (19) However, our experience has shown us that in certain cases, there are some possibilities of aperture if we feel ourself free enough with our medical identity and if we keep silent as long as the patient is not able to hear us.
  • (20) The estimated doses to the third, fourth, fifth, and sixth cranial nerves was calculated at a saggital plane 13 to 15 mm from the pituitary by using computer-drawn dosimetry charts for the respective aperture size.

Leak


Definition:

  • (v.) A crack, crevice, fissure, or hole which admits water or other fluid, or lets it escape; as, a leak in a roof; a leak in a boat; a leak in a gas pipe.
  • (v.) The entrance or escape of a fluid through a crack, fissure, or other aperture; as, the leak gained on the ship's pumps.
  • (a.) Leaky.
  • (n.) To let water or other fluid in or out through a hole, crevice, etc.; as, the cask leaks; the roof leaks; the boat leaks.
  • (n.) To enter or escape, as a fluid, through a hole, crevice, etc. ; to pass gradually into, or out of, something; -- usually with in or out.

Example Sentences:

  • (1) Keep it in the ground campaign Though they draw on completely different archives, leaked documents, and interviews with ex-employees, they reach the same damning conclusion: Exxon knew all that there was to know about climate change decades ago, and instead of alerting the rest of us denied the science and obstructed the politics of global warming.
  • (2) And, according to a letter leaked to the BBC last week , he reckons he has found one: default-on.
  • (3) Madonna has defended her description of the leak of 13 unfinished demos from her forthcoming album as “a form of terrorism” and “artistic rape”.
  • (4) Diagnosis and identification of the site of the leak is often inaccurate, even with meticulous care given to placing and removing the nasal pledgets.
  • (5) The leak also included the script for an in-house Sony Pictures recruitment video and performance reviews for hundreds employees.
  • (6) Responding to a “We the People” petition, launched after Snowden’s initial leaks were published in the Guardian two years ago, the Obama administration on Tuesday reiterated its belief that he should face criminal charges for his actions.
  • (7) The toxicity at this dose included pericarditis and dyspnoea ascribed to a 'capillary-leak' syndrome.
  • (8) Horseradish peroxidase was not observed to leak from the lumen of new vessels.
  • (9) The cation leak identified in this manner is not prelytic, and it is fully reversible.
  • (10) At a private meeting last Tuesday, Hunt assured Cameron and the cabinet secretary, Sir Jeremy Heywood, that he had not been aware that his special adviser, Adam Smith, was systematically leaking information and advice to News Corp about its bid for BSkyB.
  • (11) Well known buyout firms such as Blackstone and Carlyle appear in the leaked documents, and Luxembourg investment vehicles are commonplace in such investment firms.
  • (12) Excessive poppet wear has also been noted in the aortic position; poppet embolization has occurred on 2 occasions, and a third patient was found, at the time of reoperation for periprosthetic leak, to have opppet wear sufficient to permit embolization.
  • (13) 2) MTC was useful for the resection of the lung because of no air leak and bleeding coming from the resected section.
  • (14) It also devalues the courage of real whistleblowers who have used proper channels to hold our government accountable.” McCain added: “It is a sad, yet perhaps fitting commentary on President Obama’s failed national security policies that he would commute the sentence of an individual that endangered the lives of American troops, diplomats, and intelligence sources by leaking hundreds of thousands of sensitive government documents to WikiLeaks, a virulently anti-American organisation that was a tool of Russia’s recent interference in our elections.” WikiLeaks last year published emails hacked from the accounts of the Democratic National Committee and John Podesta, chairman of Hillary Clinton’s election campaign.
  • (15) Based on documents leaked by whistleblower Edward Snowden, the New York Times and ProPublica reported on Thursday that the Justice Department in 2012 permitted the NSA to use widespread surveillance authorities passed by Congress to stop terrorism and foreign espionage in order to find digital signatures associated with high-level cyber intrusions.
  • (16) They moved to shore up May’s position after a weekend of damaging leaks and briefings from inside the cabinet, believed to be fuelled by some of those jostling to succeed the prime minister after her disastrous election result.
  • (17) BP sprayed almost 2m gallons of Corexit on the slick and at the leak site on the seabed.
  • (18) Cardiac disorders being usually concomitant with this syndrome (interventricular leak, pulmonary arterial wedge stenosis etc.)
  • (19) Thus, both pump-mediated and leak Na+ effluxes were voltage independent.
  • (20) Reoperation was more frequent after valve replacement with bioprostheses (6.7% per patient year) than after valvuloplasty (4.3% per patient year) and after mechanical valve replacement (1.5% per patient year; P less than 0.02), and was necessitated mainly by residual or recurrent valve dysfunction after valvuloplasty, bland or infected periprosthetic leaks in mechanical valves and degradation of bioprostheses.