(n.) The act of extinguishing or making extinct; a putting an end to; the act of putting out or destroying light, fire, life, activity, influence, etc.
(n.) State of being extinguished or of ceasing to be; destruction; suppression; as, the extinction of life, of a family, of a quarrel, of claim.
Example Sentences:
(1) The stages of mourning involve cognitive learning of the reality of the loss; behaviours associated with mourning, such as searching, embody unlearning by extinction; finally, physiological concomitants of grief may influence unlearning by direct effects on neurotransmitters or neurohormones, such as cortisol, ACTH, or norepinephrine.
(2) The effect upon ethanol responding was found not to resemble a pattern of extinction, but rather was best described as a general overall reduction in responding.
(3) In a recent study, Orr and Lanzetta (1984) showed that the excitatory properties of fear facial expressions previously described (Lanzetta & Orr, 1981; Orr & Lanzetta, 1980) do not depend on associative mechanisms; even in the absence of reinforcement, fear faces intensify the emotional reaction to a previously conditioned stimulus and disrupt extinction of an acquired fear response.
(4) We conclude that the procedure used in this study is a non-intrusive intervention that is an extension of the current literature pertaining to sensory extinction.
(5) After 40 programmed minutes of acquisition and 12 min of maintenance, without notice, both schedules changed to extinction for 28 min.
(6) This differential absorbance is linear with increasing concentrations of Na2MoO4 and was used to calculate the molar extinction coefficient of molybdochelin at 425 nm (epsilon similar to 6,200).
(7) However, during massed testing, all subjects trained with response contingent CS termination showed an overall extinction influence, which was most pronounced in the medial subgroup, although the laterals showed frequency control as well.
(8) When reinforcement for competing behavior was withdrawn, however, rats resumed their original behavior and there were no overall savings in total responses to extinction.
(9) The relative amount of the crystals was measured in both amoeba strains on the basis of the integral extinction value.
(10) Chronic extinction of chain closed conditioned reflex in intact rabbits took five to six days.
(11) The amounts of phosphatidylcholine and sphingomyelin could be determined by high-performance liquid chromatography and ultraviolet absorption if the apparent extinction coefficient of the material analyzed was established.
(12) In a number of neurones the extinction of reflexes either does not change the reaction to acetylcholine, or enhances it.
(13) In Experiment 3, following an unsignaled reinforcement delay, groups receiving either no event or signaled food in the context responded faster in extinction than groups receiving no context exposure or unsignaled food.
(14) The optical extinction decreases as the red cell agglutinates grow, giving a parametric estimate of the haemagglutination rate.
(15) By calculating for DNA standard solutions the value of the ratio between the extinction at 665 nm after 15 min to the extinction of 600 nm after 2 min of the orcinol reaction it is possible to increase specifiaty of the orcinol method for determination of the RNA content.
(16) To lose the Sundarbans would be to move a step closer to the extinction of these majestic animals," said ZSL tiger expert Sarah Christie.
(17) Values obtained for thebuoyant density, isoelectric point, and extinction coefficient differed minimally; major differences were observed in the molecular weight and the characterisitc width of cylinders formed by in vitro-assembled T-layer of the wild-type and variant.
(18) The CS+ preference persisted for several weeks during extinction tests when both the CS+ and CS- were paired with IG water or with no infusions.
(19) The extinction coefficient at 550 nm for the oxidized enzyme is about 5300 (M subunit)-1 X cm-1.
(20) On this planet, extinction is the norm – of the 4 billion species ever thought to have evolved, 99% have become extinct.
Linger
Definition:
(a.) To delay; to loiter; to remain or wait long; to be slow or reluctant in parting or moving; to be slow in deciding; to be in suspense; to hesitate.
(v. t.) To protract; to draw out.
(v. t.) To spend or pass in a lingering manner; -- with out; as, to linger out one's days on a sick bed.
Example Sentences:
(1) Play Video 6:52 Prime minister Theresa May calls general election for 8 June – full video statement If May wins a large Commons majority, the lingering hope that Britain will change its mind will be dashed.
(2) And yet, the spirit of '68 endures, perhaps mythical, perhaps as a lingering sense of the possibilities that mass activism once had.
(3) He pointed out that the eighth amendment of the US constitution “prohibits the unnecessary and wanton infliction of pain through torture, barbarous methods, or methods resulting in a lingering death”.
(4) But in the minds of many Israelis, they continue to linger.
(5) When, in stoppage time, the 33-year-old striker swept a first-time shot home any lingering Villa optimism was extinguished.
(6) So our lingering affection for the cross is entirely symbolic.
(7) What Katrina left behind: New Orleans' uneven recovery and unending divisions Read more Ten years on, resentment still lingers about the failure of the federal levee system during hurricane Katrina, the botched response of the Federal Emergency Management Agency (Fema), and the long and difficult process of accessing billions of dollars in grant money for rebuilding, which for some people is not finished.
(8) And that has more lingering, long-term consequences for the public finances.
(9) The exception actually lies with those who have had Ebola and recovered: studies suggest the virus can linger in semen for up to three months after recovery – so you may wish to think twice before having sex.
(10) Despite a lingering belief that they could have "gone in" with Labour if they had wanted to, the Lib Dems decided to abide responsibly by the logic of FPTP, and form a government that nobody had voted for at all.
(11) Olivier Blanchard, IMF director of research, said: “New factors supporting growth – lower oil prices, but also depreciation of euro and yen – are more than offset by persistent negative forces, including the lingering legacies of the crisis and lower potential growth in many countries”.
(12) But he will surely need help from elsewhere if Argentina are to linger deep into this competition.
(13) Our method of testing detects no lingering or permanent change after a single concussion.
(14) The study, aimed at examining lingering problems of veterans returning from both conflicts, also called into question a Defense Department policy which bans restricting access to private weapons "even if a service member is at risk from suicide".
(15) Between the 10-year projection of a half million FTE nursing shortage, astronomical medical care costs and a lingering recession, nursing administrators have no option but to make difficult choices in resource allocation.
(16) There may be lingering doubts over whether Meryl Streep , Viola Davis or outside bet Rooney Mara will claim the Academy Award for best actress later this month, and no-one is absolutely certain if Jean Dujardin , George Clooney or Gary Oldman will be picking up the equivalent male gong at the Kodak Theatre in Hollywood.
(17) Her wonderful shop will remain open, and her presence will linger there as long as it does.
(18) Photograph: Courtesy of the family It’s been over a month since Fátima Avelica watched Ice agents, wearing uniforms stamped “POLICE”, handcuff and arrest her father, and the pain of that moment still lingers.
(19) Numbers showing weak wage growth as inflation edges up will provide traction for Labour's election campaign around lingering cost-of-living crisis.
(20) Writing in the Guardian , Mikhail Prokhorov, 46, said Russia was "undergoing a true awakening" – while warning of a lingering threat of violence as opposition leaders plan a new mass demonstration against the rule of Putin, the prime minister, on 4 February.