What's the difference between stop and stopcock?

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.

Stopcock


Definition:

  • (n.) A bib, faucet, or short pipe, fitted with a turning stopper or plug for permitting or restraining the flow of a liquid or gas; a cock or valve for checking or regulating the flow of water, gas, etc., through or from a pipe, etc.
  • (n.) The turning plug, stopper, or spigot of a faucet.

Example Sentences:

  • (1) Using a conventional mixture of two units of packed red cells, two units of fresh frozen plasma and 500 ml crystalloid, a single line and a driving pressure of 300 mmHg, the highest flow in our study was 970 ml.min-1 (2.8 mm catheter, no stopcock).
  • (2) A three-way stopcock with double syringe allows concomitant administration of atropine to counteract the cholinergic side effects of edrophonium.
  • (3) Stopcocks with larger inner diameters may improve drainage over that achievable with the stopcocks that are currently available.
  • (4) The use of a three-way stopcock and connecting tube between catheter and syringe is suggested.
  • (5) Finally it is emphasized that careful handling of the catheters and avoidance of stopcocks and air bubbles are essential for obtaining accurate and reproducible values.
  • (6) With the prototype stopcock, drainage of water alone was reduced by 0-9% for the catheters of different sizes.
  • (7) The standard stopcock decreased drainage efficiency for these catheters by 13-42%.
  • (8) If the stopcock in the boy's toilet begins to stick, ring Michael Gove.
  • (9) Two outbreaks of pseudobacteraemia occurred related to the arterial line stopcock and to heparin used for biochemistry tests.
  • (10) Hematocrit and blood gases were measured after withdrawing 0, 2, 4, 6, 8, and 10 ml of flush-blood solutions before sampling from a 20-ga radial artery catheter and 7-ft pressure tubing and stopcock.
  • (11) Patients were randomized to receive fentanyl initially by an epidural (group A, n = 8) or IV (group B, n = 8) catheter for 6 h, after which they were crossed-over to the alternate route by means of a hidden three-way stopcock.
  • (12) We found that use of the novel sampling system resulted in significantly fewer episodes of internal bacterial contamination of the arterial monitoring line (7%) than did the use of a stopcock system (61%).
  • (13) A closed system device with teflon needle, sideholes, and attached stopcock was designed and evaluated for diagnosis and evacuation of neonatal pneumothoraces.
  • (14) The results showed that both sample volume and discarded volume required smaller amount with a T-connecter than with a three-way stopcock to obtain more accurate measurements.
  • (15) The safety and efficacy of high-pressure injection through a stopcock was tested using a disposable flow switch model.
  • (16) A double stopcock technique is described for sampling blood from umbilical catheters.
  • (17) Superior thyroid artery cannulation during carotid endarterectomy and coupling the cannula to a three-way stopcock with an anaeroid manometer allows the surgical team in the operating field to monitor mean pressures and to draw blood samples for gas analysis from the common, the internal, or the external carotid artery.
  • (18) Fluid or air may be removed from the chest intermittently with a three-way stopcock attached to the thoracostomy tube and a 60-ml syringe.
  • (19) A sample containing the dwell volume of the catheter and the stopcock (1 ml) was withdrawn and discarded, followed by fifteen 1 ml samples being taken for analysis.
  • (20) The electromyograms of the rectus abdominis (EMGra) and of the diaphragm (EMGdi) have been recorded on human subjects immersed at two bath temperatures (TW), 25 and 40 degrees C. The recordings were obtained during a calibrated isometric contraction sustained for 20 s against a closed stopcock at functional residual capacity (FRC) level for EMGra (expiratory effort) and at pulmonary volume greater than 90% vital capacity for EMGdi and EMGra (inspiratory effort).

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