(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.
Chasm
Definition:
(n.) A deep opening made by disruption, as a breach in the earth or a rock; a yawning abyss; a cleft; a fissure.
(n.) A void space; a gap or break, as in ranks of men.
Example Sentences:
(1) Raising the minimum wage is the right way to begin closing the economic chasm between America's wealthy and regular working people.
(2) But recent high-level talks exposed the chasm that exists between Moscow and Tokyo.
(3) The following myths are discussed and refuted: (1) There is an insurmountable community-research chasm.
(4) It is the old right who are saying that they are ready to serve because they cannot bear the idea of letting go of the party machinery.” The resentment growing within the parliamentary party between those who will serve and those who will not has led to John Woodcock MP, chair of the Blairite group, Progress, to warn of the emergence of a new split to replace the Blair-Brown chasm that marked the last two decades of Labour politics.
(5) It was a superb team goal, showed Arsenal at their counterattacking best, and emphasised the chasm in class.
(6) In fact, the gender pay gap remains a yawning chasm.
(7) We chat about the maps I've seen so far; the abandoned sports stadium in StrikeZone, the wrecked cityscape in Chasm … How do these designs start?
(8) David Orr, chief executive of the National Housing Federation said the figures were “yet another symptom of a very sick housing market that is carving ever-greater chasms between those who own a home and those who don’t”.
(9) The recent report on inequality in the UK by John Hills, professor of social policy at the London School of Economics, charting how the rich-poor chasm has widened over the last 35 years, exposed the fact that every family in the top 10% now possesses at least 100 times more than any family in the bottom tenth.
(10) One Whitehall source said the tests set out by Carney had opened up a chasm between what was required for a currency union and the previously vague undertakings by the Scottish government to agreeing on borrowing limits and financial regulations.
(11) It was clearly more than just a half a century that separated the two events and two men; there was also a massive political chasm.
(12) Between fielding calls in another hectic day at the Connaught, Johnson says a change in mentality is needed to bridge the chasm between grand plans hatched in Washington, New York and London and the urgent needs on the ground.
(13) The moment when you jump across the ice chasm and slip, and someone catches you – there's a little bit of emotion in his face that says 'I've got your back'."
(14) "The chasm in price between a home inside the M25 and one in the country is at last no longer growing but canny buyers are seeing this and far more inquiries I receive are now from people wanting to cash in on the seemingly ludicrous value of their shoebox of a home and snap up a slice of country living."
(15) And quotas won't work if they reflect and reinforce the growing chasm between top and bottom earners in the UK today.
(16) Wednesday gave the lie to the idea that our young people are thoroughly post-ideological creatures, with no fight in them; if even the most fusty newspapers are worried about the chasm that separates the government from the so-called squeezed middle, you can bet that the politics of class may yet make an unexpected comeback.
(17) When it comes to unions, there is a chasm between the elite and popular attitudes.
(18) Youth services have worked hard over recent years to establish a rulebook for young offenders, designed to keep them away from the dangerous chasm of the adult justice system.
(19) Still, a familiar chasm emerged following a meeting to discuss the new health care amendment on Wednesday afternoon.
(20) The gap between players and officials – who expected the kind of deference paid to magistrates while not always paying close attention to the lines – became a chasm that proved the opposite of yawning.