(a.) Extinguished; put out; quenched; as, a fire, a light, or a lamp, is extinct; an extinct volcano.
(a.) Without a survivor; without force; dead; as, a family becomes extinct; an extinct feud or law.
(v. t.) To cause to be extinct.
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(8) When reinforcement for competing behavior was withdrawn, however, rats resumed their original behavior and there were no overall savings in total responses to extinction.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.
Grice
Definition:
(pl. ) of Gree
(n.) A little pig.
(n.) See Gree, a step.
Example Sentences:
(1) The statistics office's chief economist Joe Grice said the bigger picture in Wednesday's GDP data is that the UK economy, in volume terms, was flat between January and March compared with the same period last year.
(2) Joe Grice, chief economist at the UK's Office for National Statistics, is always chiding journalists for not loooking at the long term trend in GDP data, and maybe we need to take the same healthy scepticism to today's figures from Japan 9.03am BST Telecoms giants enter tariff battle Bloomberg is reporting that Nokia and Ericsson have told the EU to drop a probe into unfair subsidies for Chinese phone makers.
(3) Varising osteotomy of the calcaneum offers the advantage of avoiding sacrifice of the calcaneo-talar joint, as in the Grice-Green arthrodesis, which although indicated for the paralytic valgus flat foot, is not appropriate in the idiopathic variety.
(4) After predictable failure of a Grice procedure, a persisting good correction was obtained by fibula lengthening combined with talus reposition and fixation on os calcis.
(5) Grice-OP is able to prevent severe deformities but it is often followed by a subtalar arthrodesis after growth arrest.
(6) This study reports the results of a computerized baropodometric analysis of the function of primary valgus pronated flat foot submitted to talocalcanear arthrodesis according to the Grice-Green method (Grice, 1952; 1955) as modified by Vigliani et al., (1978).
(7) Joe Grice, chief economist at the ONS, said: “These figures - rising employment and falling unemployment and inactivity – continue the strong trend in the labour market that has been seen in recent months.
(8) A retrospective review was done of 19 poliomyelitis feet on which the standard Grice subtalar arthrodesis was performed for correction of valgus feet deformity.
(9) 9.40am BST Photograph: Sky News Joe Grice, the head of the ONS, is refusing to make any predictions for how the UK economy may fare in the months ahead.
(10) 9.35am GMT The recovery has been somewhat erratic, says Joe Grice, but it "feels like the economy now has a better tone".
(11) Lumbar segmental coupled motion categories according to the scheme of Cassidy and Grice, as well as a modified scheme.
(12) UK economic growth accelerated to 0.6% before Brexit vote – live updates Read more Joe Grice, chief economist at the ONS , said there was little evidence that concern about a possible Brexit vote had a negative impact on the economy before the referendum.
(13) The pseudarthrosis rate was 41 per cent, which is considerably higher than that reported for the Grice extra-articular arthrodesis.
(14) The best results were obtained with early subtalar arthrodesis (Grice) and biplanar K wire fixation.
(15) The results of the Grice extra-articular subtalar arthrodesis were evaluated in 102 feet of 60 ambulatory patients with spasticity at an average of five years postoperatively.
(16) A retrospective review of 45 patients (62 feet) who had undergone a Grice subtalar arthrodesis and who had reached skeletal maturity was undertaken.
(17) Confirming the new measure recently, ONS chief economic adviser Joe Grice said: While it’s right that GDP plays a central role in monetary and fiscal policy, it has long been recognised as presenting an incomplete picture of how our society is doing.
(18) A case presentation involving complications resulting from errors in surgical technique with the Grice-Green procedure is discussed in this report.
(19) 10.17am BST And here's what a bumpy, shallow recovery looks like ( via the Guardian's Datablog ) Photograph: Datablog 10.10am BST ONS: Britain's bumpy and shallow recovery The ONS's chief economist Joe Grice said the 0.3 per cent growth registered from January to the end of March fitted the pattern in recent years.
(20) Grice declined to say when UK workers might finally see wages rising in real terms, but did point out that inflation has recently fallen.