(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(8) When reinforcement for competing behavior was withdrawn, however, rats resumed their original behavior and there were no overall savings in total responses to extinction.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.
Moa
Definition:
(n.) Any one of several very large extinct species of wingless birds belonging to Dinornis, and other related genera, of the suborder Dinornithes, found in New Zealand. They are allied to the apteryx and the ostrich. They were probably exterminated by the natives before New Zealand was discovered by Europeans. Some species were much larger than the ostrich.
Example Sentences:
(1) I always think of that child, whenever I hear about the numbers who are dead.” He added that he did not think people should see organisations like MOAS as the answer to the crisis.
(2) Moas was planning to act under the instructions of the Maritime Rescue Coordination Centre (MRCC) in Rome, which covers the zone crossed by migrant boats from Libya and can order any vessel to undertake a rescue.
(3) Here’s my story of fleeing Libya – and surviving | Hakim Bello Read more As he attempted to raise funds for Moas, Catrambone found donors sceptical.
(4) Facebook Twitter Pinterest The Guardian spent five days with the Migrant Offshore Aid Station (MOAS) meeting its crew and the people it saved.
(5) This experiment did not demonstrate any carcinogenic effect of MOAS in mice at levels up to 1.0% in the drinking-water.
(6) The authors hypothesized that the two groups would have similar Rorschach Mutuality of Autonomy (MOA) scale scores at Times 1 and 3, but would differ substantially at Time 2.
(7) The Moas team quickly found itself involved in the simultaneous rescue of two migrant boats, including a wooden fishing vessel with 350 people – many of them families from Syria – that was slowly sinking.
(8) In an attempt to improve detection of macroscopically invisible tumour spread, intraoperative scintimetry (IOSM) with a hand-held gamma-probe was performed in addition to SPET 24-30 and 41-48 h after injection of the technetium-99m carcinoembryonic antigen (CEA MoA) on 12 patients with colorectal carcinoma and 3 patients with different neoplastic and inflammatory diseases.
(9) That is why I am saying you really have to focus in on saving people’s lives first.” Catrambone says he would close Moas’s Mediterranean operation if Europe had something better to offer, but that does not seem likely to happen soon.
(10) Based on the Yudofsky scale, a Modified Overt Aggression Scale (MOAS) with upgraded psychometric properties was developed to assess the nature and prevalence of aggression in a psychiatric population.
(11) That may seem fantastical - but it is no more so than the idea of MOAS seemed less than a year ago.
(12) We have enzymatically amplified and sequenced approximately 400 base pairs of the mitochondrial 12S rRNA gene from bones and soft tissue remains of four species of moas as well as eight other species of ratite birds and a tinamou.
(13) Under the influence of Sydnocarb, Mephexamid and Maprotiline the value of MOA, CR, TS, TV remained unchanged.
(14) The reversible inhibitors of monoamine oxidase A (RIMAs) are a group of drugs that, by producing inhibition selectively of monoamine oxidase A (MOA-A), still allow metabolism of tyramine by MAO-B.
(15) #HumanityIsBack #MOAS #HumanityWashedAshore September 3, 2015 “People are saying they don’t want to be bystanders anymore.
(16) Morpholine oleic acid salt (MOAS) was administered to groups of 50 male and 50 female B6C3F1 mice in the drinking-water at levels of 0, 0.25 and 1.0%.
(17) The male mice given 0.25% MOAS had a significantly reduced incidence of hepatocellular carcinoma in comparison with the control group and this trend was indicated also in the 1.0% group.
(18) In particular, point mutations recently described in MOA-inhibitor-resistant mutants can no longer be taken to affect necessarily the ubihydroquinone binding site.
(19) This result is interpreted as a support for the inhibitory mechanism based on the model of a 'catalytic switch' proposed recently for the E-beta-methoxyacrylate inhibitors (MOA-inhibitors (Brandt and von Jagow, Eur.
(20) The enzyme lacking iron-sulfur protein showed almost unchanged, tight binding of the E-beta-methoxyacrylate inhibitors oudemansin A and MOA-stilbene, whereas binding of the chromone inhibitor stigmatellin was almost completely abolished.