(n.) A knob; a small ball; a small, roundish mass.
(n.) A catch, of various forms and materials, used to fasten together the different parts of dress, by being attached to one part, and passing through a slit, called a buttonhole, in the other; -- used also for ornament.
(n.) A bud; a germ of a plant.
(n.) A piece of wood or metal, usually flat and elongated, turning on a nail or screw, to fasten something, as a door.
(n.) A globule of metal remaining on an assay cupel or in a crucible, after fusion.
(n.) To fasten with a button or buttons; to inclose or make secure with buttons; -- often followed by up.
(n.) To dress or clothe.
(v. i.) To be fastened by a button or buttons; as, the coat will not button.
Example Sentences:
(1) Following each stimulus, the subject had to press a button for RT and then report the digit perceived.
(2) Three areas of abnormality were seen in schizophrenics: first, the interval preceding the motor response was characterized by reduced motor steadiness prior to the button-press response; second, the motor response was made with excessive force (hyperdynamia); and third, the agonist-antagonist synchrony (motor reversal) was impaired.
(3) On presidential election day 2010 it offered one group in the US a graphic with a link to find nearby polling stations, along with a button that would let you announce that you'd voted, and the profile photos of six other of your "friends" who had already done so.
(4) Every time we have a negotiation, the bidding process (for the project) slows and postpones things.” Water quality has become a hot-button issue as the Olympics draw closer with little sign of progress in cleaning up the fetid bay, as well as the lagoon system in western Rio that hugs the sites of the Olympic park, the very heart of the games.
(5) These regenerating nerve fibres together with growth cones make terminals in the form of buttons, rings and loops.
(6) No IgM was detected in the central buttons of four of the five sets where IgM occurred in the corneal periphery.
(7) Button osteomas affect two animals and are the only neoplastic conditions observed.
(8) 54 min: Has Joey Barton pressed the self-destruct button?
(9) She walked around her Bethnal Green and Bow constituency in a crop top that showed her belly button ring; she also established herself as a hard- working MP for that area.
(10) Six human donor corneas were studied with the scanning electron microscope to quantify the hazards to the endothelium during the excision of corneoscleral buttons.
(11) The disintegration of charged alkaline mercury button cells in simulated gastric fluid over a 24 h period has been studied.
(12) He seemed to have his finger on an invisible button, hardwired into the brains of the Fleet Street editors, driving them into an apoplectic frenzy of rage each time he chose to push it.
(13) Simple suturing techniques are also described, including the practicability of using padded buttons plus lead fishing sinkers to adjust the tension and secure these sutures on the surface of the neck.
(14) Protein concentration in the tissue buttons was significantly less than that of peritoneal fluid.
(15) McLaren’s Jenson Button completed the top 10, two seconds down as he and the team continue to show signs of improvement, with his team-mate Fernando Alonso 12th and a further half a second off the pace.
(16) We analysed the histological and ultrastructural aspects of corneal buttons obtained by keratoplasty in two patients presenting breaks in Descemet's membrane.
(17) Some fixation problems may have been related to technical errors and use of the earlier one-button technique.
(18) Light microscopic, histochemical, and electron microscopic study of the excised button disclosed characteristic features of macular corneal dystrophy in the donor cornea.
(19) Foreign aid, NHS queues, he pressed hot button prejudices, interrupted other speakers, his quick wit won both laughter and applause.
(20) Few figures exist but anecdotally, online fundraising is being embraced by the majority for whom at least a "donate" button exists, says Cath Lee, chief executive of the Small Charities Coalition .
Lever
Definition:
(a.) More agreeable; more pleasing.
(adv.) Rather.
(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.