(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.
Lover
Definition:
(n.) One who loves; one who is in love; -- usually limited, in the singular, to a person of the male sex.
(n.) A friend; one strongly attached to another; one who greatly desires the welfare of any person or thing; as, a lover of his country.
(n.) One who has a strong liking for anything, as books, science, or music.
(n.) Alt. of Lovery
Example Sentences:
(1) McNear was in New York that summer after her junior year and for nearly two months they were lovers in Manhattan.
(2) Music lovers have rightly championed the risk-taking and diversity of 6 Music.
(3) The clashes between the moralistic Levin and his friend Oblonsky, sometimes affectionate, sometimes angry, and Levin's linkage of modernity to Oblonsky's attitudes – that social mores are to be worked around and subordinated to pleasure, that families are base camps for off-base nooky – undermine one possible reading of Anna Karenina , in which Anna is a martyr in the struggle for the modern sexual freedoms that we take for granted, taken down by the hypocritical conservative elite to which she, her lover and her husband belong.
(4) Concerns have also been raised over a case in Texas in which a man is facing execution despite an admission by the judge and prosecutor in his trial that they were lovers.
(5) Mood Indigo (18 July) Arguably the most French movie ever made, Romain Duris and Audrey Tautou are quite adorable as fairy tale lovers in Michel Gondry's adaptation of Boris Vian's Froth on the Daydream.
(6) Every music lover wants a personal connection to the music they love.
(7) They might be to memorialise a lover or child, remember a journey, a period of time in prison or a religious conversion.
(8) The white hotel has 144 rooms for beach lovers, surfers, divers, trail runners, yogis and spa-toners.
(9) But Olney wanted to be an artist and he set off for Paris, where he found himself a garret in which he could make portraits and a new life among friends, lovers and acquaintances that included the black American writer and civil rights pioneer James Baldwin, WH Auden and, distantly, Edith Piaf, whom he saw sing Je ne Regrette Rien for the first time at the Olympia theatre.
(10) And when nothing seems off-limits online – not to mention the intimate moments of any celebrity under the sun, or the private photos Jennifer Lawrence makes for her lover’s eyes only – does the proper fleshy privacy of sex with a partner lose its glamour?
(11) The programme alleges that the Home Office ignored evidence presented by Ellis's solicitor Victor Mischon that she had an accomplice when she shot her lover David Blakely, an upper-class racing driver, outside the Magdala pub in Hampstead, north London, on Easter Sunday 1955.
(12) Life events were assessed by reports on the numbers of lovers, friends, and acquaintances who were diagnosed with AIDS or had died of AIDS and by scores on a checklist of 24 more general serious stressor events.
(13) Above all, through the offices of his medium and lover, Mary Parish, he entered into elaborate relations both with the fairy world and with God and His Angels.
(14) Cinema chains in the UK and abroad fear relaxation of the window in case film lovers decide to save their pennies and see new releases at home rather than travelling to their nearest multiplex.
(15) This station, with its quarter-mile, 300kph trains, a huge cocktail bar, a branch of Foyles stocked with 20,000 titles, a smart Searcy's restaurant and brasserie, independent coffee bars, floors covered in timber and stone rather than sticky British airport-style carpet, new gothic carvings, newly cast gothic door handles, and a nine-metre-high sculpture of lovers meeting under the station clock?
(16) He was a giant of a man in every way imaginable and his demise is not only a tremendous loss to the world at large and to lovers of great art, but very much on a human level.
(17) The book also featured Lola Montez, the fabulous beauty of the age, and her lover Ludwig, the mad King of Bavaria.
(18) It is the England that then prime minister John Major vowed would never vanish in a famous 1993 speech: “Long shadows on county grounds, warm beer, invincible green suburbs, dog lovers and pools fillers and – as George Orwell said – ‘old maids bicycling to holy communion through the morning mist’.” Major was mining Orwell’s wartime essay The Lion and the Unicorn, whose tone was one of reassurance – the national culture will survive, despite everything: “The gentleness, the hypocrisy, the thoughtlessness, the reverence for law and the hatred of uniforms will remain, along with the suet puddings and the misty skies.” Orwell and Major were both asserting the strength of a national culture at times when Britishness – for both men basically Englishness – was felt to be under threat from outside dangers (war, integration into Europe).
(19) The bluefin tuna, which has been endangered for several years and has the misfortune to be prized by Japanese sushi lovers, has suffered a catastrophic decline in stocks in the Northern Pacific Ocean, of more than 96%, according to research published on Wednesday.
(20) Now, leaving aside that Assia Wevill (Hughes's lover, who killed herself and their daughter in 1969) and Hughes were never married, it is a safe bet that Hughes himself was a lot more "bothered" by the deaths of his wife, lover and child than someone who never knew them, no hashtag.