(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.
Stop
Definition:
(v. t.) To close, as an aperture, by filling or by obstructing; as, to stop the ears; hence, to stanch, as a wound.
(v. t.) To obstruct; to render impassable; as, to stop a way, road, or passage.
(v. t.) To arrest the progress of; to hinder; to impede; to shut in; as, to stop a traveler; to stop the course of a stream, or a flow of blood.
(v. t.) To hinder from acting or moving; to prevent the effect or efficiency of; to cause to cease; to repress; to restrain; to suppress; to interrupt; to suspend; as, to stop the execution of a decree, the progress of vice, the approaches of old age or infirmity.
(v. t.) To regulate the sounds of, as musical strings, by pressing them against the finger board with the finger, or by shortening in any way the vibrating part.
(v. t.) To point, as a composition; to punctuate.
(v. t.) To make fast; to stopper.
(v. i.) To cease to go on; to halt, or stand still; to come to a stop.
(v. i.) To cease from any motion, or course of action.
(v. i.) To spend a short time; to reside temporarily; to stay; to tarry; as, to stop with a friend.
(n.) The act of stopping, or the state of being stopped; hindrance of progress or of action; cessation; repression; interruption; check; obstruction.
(n.) That which stops, impedes, or obstructs; as obstacle; an impediment; an obstruction.
(n.) A device, or piece, as a pin, block, pawl, etc., for arresting or limiting motion, or for determining the position to which another part shall be brought.
(n.) The closing of an aperture in the air passage, or pressure of the finger upon the string, of an instrument of music, so as to modify the tone; hence, any contrivance by which the sounds of a musical instrument are regulated.
(n.) In the organ, one of the knobs or handles at each side of the organist, by which he can draw on or shut off any register or row of pipes; the register itself; as, the vox humana stop.
(n.) A member, plain or molded, formed of a separate piece and fixed to a jamb, against which a door or window shuts. This takes the place, or answers the purpose, of a rebate. Also, a pin or block to prevent a drawer from sliding too far.
(n.) A point or mark in writing or printing intended to distinguish the sentences, parts of a sentence, or clauses; a mark of punctuation. See Punctuation.
(n.) The diaphragm used in optical instruments to cut off the marginal portions of a beam of light passing through lenses.
(n.) The depression in the face of a dog between the skull and the nasal bones. It is conspicuous in the bulldog, pug, and some other breeds.
(n.) Some part of the articulating organs, as the lips, or the tongue and palate, closed (a) so as to cut off the passage of breath or voice through the mouth and the nose (distinguished as a lip-stop, or a front-stop, etc., as in p, t, d, etc.), or (b) so as to obstruct, but not entirely cut off, the passage, as in l, n, etc.; also, any of the consonants so formed.
Example Sentences:
(1) Decreased MU stops additions of bone by modeling and increases removal of bone next to marrow by remodeling.
(2) The stopped-flow technique was used to measure the rate constants for the reactions between the oxidized forms of peroxidase with luminol and the following substrates: p-iodophenol, p-bromophenol, p-clorophenol, o-iodophenol, m-iodophenol, luciferin, and 2-iodo-6-hydroxybenzothiazole.
(3) The region containing the injection stop signal (iss) has been cloned and sequenced and found to contain numerous large repeats and inverted repeats which may be part of the iss.
(4) Certainly, Saunders did not land a single blow that threatened to stop his opponent, although he took quite a few himself that threatened his titles in the final few rounds.
(5) … or a theatre and concert hall There are a total of 16 ghost stations on the Paris metro; stops that were closed or never opened.
(6) All of this in the same tones of weary nonchalance you might use to stop the dog nosing around in the bin.
(7) There are no oceans wide enough to stop us from dreaming.
(8) At the ceremony, the Taliban welcomed dialogue with Washington but said their fighters would not stop fighting.
(9) In a separate exclusive interview , Alexis Tsipras, the increasingly powerful 37-year-old Greek politician now regarded by many as holding the future of the euro in his hands, told the Guardian that he was determined "to stop the experiment" with austerity policies imposed by Germany.
(10) She stopped working only when the pain made it hard for her to get to work.
(11) A tall young Border Police officer stopped me, his rifle cradled in his arms.
(12) Crown prince Sultan Bin Abdel Aziz said yesterday that the state had "spared no effort" to avoid such disasters but added that "it cannot stop what God has preordained.
(13) Control measures were introduced rapidly, effectively stopping the epidemic.
(14) Both strong-stop DNAs are made early during in vitro reactions and decline in concentration later, consistent with postulated roles as initiators of long minus- and plus-strand DNA.
(15) Thus it appears that a portion of the adaptation to prolonged and intense endurance training that is responsible for the higher lactate threshold in the trained state persists for a long time (greater than 85 days) after training is stopped.
(16) When asked why the streets of London were not heaving with demonstrators protesting against Russia turning Aleppo into the Guernica of our times, Stop the War replied that it had no wish to add to the “jingoism” politicians were whipping up against plucky little Russia .
(17) Bacteria can stop or lessen antibodies synthesis process.
(18) Never become so enamored of your own smarts that you stop signing up for life’s hard classes.
(19) The scatter measurement was made using a standard imaging geometry with both beam stops and an additional x-ray detector placed behind the standard imaging detector.
(20) Thirteen of the dogs treated with various drug regimens lived for 90 days, after which time treatment was stopped; 10 of the dogs eventually rejected the grafts, but three had continued graft function for 6 months or longer and may be permanently tolerant.