(n.) A rigid piece which is capable of turning about one point, or axis (the fulcrum), and in which are two or more other points where forces are applied; -- used for transmitting and modifying force and motion. Specif., a bar of metal, wood, or other rigid substance, used to exert a pressure, or sustain a weight, at one point of its length, by receiving a force or power at a second, and turning at a third on a fixed point called a fulcrum. It is usually named as the first of the six mechanical powers, and is of three kinds, according as either the fulcrum F, the weight W, or the power P, respectively, is situated between the other two, as in the figures.
(n.) A bar, as a capstan bar, applied to a rotatory piece to turn it.
(n.) An arm on a rock shaft, to give motion to the shaft or to obtain motion from it.
Example Sentences:
(1) In this experiment animals were trained to lever press in two distinctive contexts.
(2) Orientation and lever responding were not functionally related.
(3) In older stages, the cervical joints rotate according to geometric and lever arm principles.
(4) In EastEnders , the mystery surrounding the identity of Kat's secret squeeze continues amid the grinding of narrative levers and the death rattle of overflogged script-horses.
(5) Cats were trained to press a lever for 0.5--1.0 ml of milk reward both in the presence and absence of ambient light.
(6) Setting out how Britain would have a lever over the rest of the EU to demand repatriation of UK competences, Cameron said: "What's happening in Europe right now is massive change being driven by the existence of the euro.
(7) When lever pressing was established, the 2-kHz signal was presented through a speaker adjacent to the response lever according to a different set of variable intertrial intervals.
(8) Officials said the changes to the planning rules will mean it is possible to lever in billions of private sector development in low-cost housing.
(9) Rats were allowed to bar press on either of two levers (left and right).
(10) Knee flexion is synchronized with ankle dorsiflexion by a synchronizer rod and lever.
(11) In order to study the interactions between serotonergic mechanism and electrical stimulation of the mesencephalic central gray substance, rats were trained to lever-press for terminating aversive electric stimuli applied at the Periaqueductal gray and adjoining tectum of the mesencephalon.
(12) Rats were trained to press a lever to obtain a brief burst of pulses to the lateral hypothalamus.
(13) But its original meaning is the practice of using the levers of the state and of government to get difficult things done that otherwise wouldn't happen.
(14) Intact rats and rats bearing lesions of the suprachiasmatic nuclei (SCNX rats) were trained to obtain food by pressing either of two levers located on opposite sides of a cylindrical cage.
(15) We found that attenuation of lever-pressing and water intake by raclopride were not more separated in dose than after, for example, haloperidol.
(16) Young rats weaned at 16 days were taught to press a lever by shaping at 18 days and trained for 11 days (from 20 to 30 days of age) on a fixed-interval 60-sec schedule, at a rate of 5 half-hour sessions per day.
(17) In contrast, the selective norepinephrine uptake inhibitors, desipramine and talsupram, and the selective serotonin uptake inhibitor, citalopram, occasioned averages of only 13 to 19% drug-lever responding.
(18) When reinforcement was not available, each lever response produced a 0.5-sec green light on the key.
(19) Rats implanted with placebo pellets and given access to morphine reestablished lever pressing, while those given access to isotonic saline extinguished their lever pressing.
(20) Levels of acetylcholine were significantly elevated in the telencephalon and diencephalon + mesencephalon of rats killed by near-freezing during conditioned suppression of food-reinforced lever pressing, whereas levels of serotonin, dopamine, and norepinephrine were not altered.
Ship
Definition:
(n.) Pay; reward.
(n.) Any large seagoing vessel.
(n.) Specifically, a vessel furnished with a bowsprit and three masts (a mainmast, a foremast, and a mizzenmast), each of which is composed of a lower mast, a topmast, and a topgallant mast, and square-rigged on all masts. See Illustation in Appendix.
(n.) A dish or utensil (originally fashioned like the hull of a ship) used to hold incense.
(v. t.) To put on board of a ship, or vessel of any kind, for transportation; to send by water.
(v. t.) By extension, in commercial usage, to commit to any conveyance for transportation to a distance; as, to ship freight by railroad.
(v. t.) Hence, to send away; to get rid of.
(v. t.) To engage or secure for service on board of a ship; as, to ship seamen.
(v. t.) To receive on board ship; as, to ship a sea.
(v. t.) To put in its place; as, to ship the tiller or rudder.
(v. i.) To engage to serve on board of a vessel; as, to ship on a man-of-war.
(v. i.) To embark on a ship.
Example Sentences:
(1) Some commentators have described his ship, now facing more delays after a decade in development, as little more than a Heath Robinson machine.
(2) Total costs of building the three missile destroyers in Australia will amount to more than $9bn, approximately three times the cost of buying the ships ready made from Spanish company Navantia, The Australian reported on Friday .
(3) The Italian coastguard ship Bruno Gregoracci docked in Malta at about 8am and dropped off two dozen bodies recovered from this weekend’s wreck, including children, according to Save the Children.
(4) There were members of the smuggling gang on the ship with walkie-talkies.
(5) Already Britain's electricity is becoming too dependent on gas brought in by ship through the Suez canal.
(6) The goal of the expedition, led by Prof Ken Takai of the Japan Agency for Marine-Earth Science and Technology, was to study the limits of life at deep-sea vents in the Cayman Trough as part of a round-the-world voyage of discovery by the research ship RV Yokosuka .
(7) The risk for gastric cancer and non-malignant respiratory disease among the workers of the coke shipping department was increased but the SMRs did not reach statistical significance.
(8) The plan to round up some business and ship away seemed sound.
(9) The US has stopped shipping military equipment out of Afghanistan , citing the risk to truckers from protests along part of the route in neighbouring Pakistan.
(10) Polish foreign affairs minister Radoslaw Sikorski has opposed the ships being handed over.
(11) The 61-year-old Canadian, who was one of the original founders of Greenpeace , was arrested last Sunday at Frankfurt airport at the request of Costa Rica, which wants to see him extradited over a 10-year-old charge of "violating ships traffic".
(12) I don’t do the social media myself, so who knows.” The Pentagon said the drone, also described as a “glider” or unmanned underwater vehicle, was deployed by civilian contractors aboard the USNS Bowditch, a scientific research ship.
(13) The main animal paramyxoviruses are parainfluenza 3 (agent of shipping fever) in cattle; NDV (cause of fowl pest) and Yucaipavirus in birds; Sendai and PVM in mice; Nariva virus in rodents; possibly bovinerespiratory syncytial virus; and SV5 and SV41 in monkeys.
(14) Vigils have been held in Cairo for the victims of EgyptAir flight 804 as a French navy ship headed to join the deep-sea search in the Mediterranean for the main wreckage and flight recorders.
(15) The source of the first outbreak was monkeys shipped from Africa; the origin of the second episode is unclear.
(16) Ships should be able to sail directly over the north pole by the middle of this century, considerably reducing the costs of trade between Europe and China but posing new economic, strategic and environmental challenges for governments, according to scientists.
(17) Rob DiGiovanni, who heads a marine mammal rescue group on Long Island, said he was seeing "more evidence of ship strikes and that's definitely a concern".
(18) An improved membrane filtration procedure for use on board ship to enumerate Escherichia coli and Group D faecal streptococci in marine sediments is described.
(19) Official estimates suggest the number of small packages shipped into Europe more than quadrupled from 26m in 2000 to 115m two years ago.
(20) The survey ship has been used in the Gulf of Aden monitoring the Somali coastline, as well as scientific missions such as mapping the seabed of the Persian Gulf.