(a.) Obstinate in disobedience; contumacious; stubborn; unmanageable; as, a refractory child; a refractory beast.
(a.) Resisting ordinary treatment; difficult of fusion, reduction, or the like; -- said especially of metals and the like, which do not readily yield to heat, or to the hammer; as, a refractory ore.
(n.) A refractory person.
(n.) Refractoriness.
(n.) OPottery) A piece of ware covered with a vaporable flux and placed in a kiln, to communicate a glaze to the other articles.
Example Sentences:
(1) During electrophysiologic study, the effect of propafenone on the effective refractory period of the accessory pathway was determined, as well as its effect during orthodromic atrioventricular (AV) reentrant tachycardia and atrial fibrillation.
(2) Some evidence has shown that platelet crossmatching is useful in multitransfused patients with hypoplastic bone marrows who are refractory to platelet therapy through alloimmunization.
(3) The purpose of this study was to determine the effect of pretreatment with indomethacin on the refractory period to hypertonic saline-induced bronchoconstriction.
(4) This quantitative characterization of the properties of conduction and refractoriness of both the accessory pathway and ventriculoatrial conduction system and the relation between these characteristics and the accessory pathway location in ART patients provides additional insight into the prerequisites for the initiation and maintenance of this rhythm disturbance.
(5) Lisinopril increases cardiac output, and decreases pulmonary capillary wedge pressure and mean arterial pressure in patients with congestive heart failure refractory to conventional treatment with digitalis and diuretics.
(6) Extracorporeal photopheresis (ExP) was administered every other week in an outpatient setting to four patients with chronic refractory psoriasis vulgaris without arthropathy.
(7) Populations of B. globosus and B. nasutus from Dar es Salaam were refractory.
(8) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
(9) We present in this preliminary report the early results of therapy for refractory leukemia with an intensive preparative regimen for bone marrow transplantation including etoposide, cytosine arabinoside, cyclophosphamide, and fractionated total body irradiation.
(10) Amiodarone was able to suppress the premature ventricular beats, depress conduction and prolong refractoriness in both, the AV node and accessory pathway to prevent recurrences of atrioventricular reentry.
(11) Once initiated, this refractory state continues to develop even after removal of the light source and is essentially complete within 30 min.
(12) At lower frequencies of stimulation the heart beat is increased to rates dependent on interaction between the time course of the hyperpolarization and the refractory period of the heart.
(13) The results indicate that the conditions which inhibit the initiation of development are present in the Malpighian tubules and not in the midgut of the refractory mosquitoes.
(14) Parenteral cyclophosphamide or corticosteroid pulses should be reserved for cases with vasculitis or refractoriness to conventional drugs.
(15) These data suggest that in terms of prolactin release, prolactin producing tumour cells are intrinsically refractory to hypo thalamic dopaminergic signals.
(16) Pirmenol increased the atrial effective refractory period, but had little effect on conduction in the atrioventricular node and His-Purkinje system.
(17) Estramustine phosphate may be given safely for a prolonged period and has a place in the treatment of advanced prostatic cancer refractory to hormonal therapy.
(18) One or more of the followin factors were present in the "high-risk" group: ventricular dysfunction--ejection fraction less than 0.4, preinfarction angina, evolving infarction, recent infarction (less than 2 weeks), and refractory ventricular tachyarrhythmia.
(19) Although video urodynamics is the state-of-the-art modality for evaluating complex or refractory neurogenic bladder, the practicing radiologist with an understanding of this condition can detect many radiographic changes in the lower urinary tract that suggest neurogenic dysfunction of various types.
(20) Tinidazole (not available in the United States) may be effective in curing refractory cases of metronidazole resistance.
Restive
Definition:
(a.) Unwilling to go on; obstinate in refusing to move forward; stubborn; drawing back.
(a.) Inactive; sluggish.
(a.) Impatient under coercion, chastisement, or opposition; refractory.
(a.) Uneasy; restless; averse to standing still; fidgeting about; -- applied especially to horses.
Example Sentences:
(1) Egypt's army has announced a full-scale assault on militant areas in the restive northern Sinai desert, in what a senior Israeli official has approvingly called Egypt's first-ever serious counter-terrorism campaign in the region.
(2) The bombings shattered more than two months of relative calm across the restive country.
(3) Security in the restive North Caucasus region has long been a concern.
(4) Another view would propose that the restiveness of some current and past theorists to claim the mantle of "science" continues to lead to premature and awkward attempts to couple psychoanalysis with putative neighbors rather than stick to its last of shaping its own findings into a language reflecting a coherent theory capable of validation.
(5) In 2012 insurgent commanders in the restive tribal areas of North and South Waziristan banned polio teams from their territories in what they said was retaliation for US drone strikes.
(6) Seoul and its allies now face the dilemma of how to respond, as the South Korean public becomes increasingly restive over what many see as the North's immunity from reprisals.
(7) The effects of high rates of stimulation on the internal longitudinal restivity (Ri) and conduction velocity (theta) were studied on rabbit papillary muscle preparations using a silicon-oil chamber.
(8) And you have to have certainty.” The crowd was restive.
(9) • Restiveness seemed to grow in the US with the government of Iraqi prime minister Nouri al-Maliki , but it was unclear whether the Obama administration would publicly call for Maliki's exit.
(10) As the Guardian's Golnar Motevalli reported : "The Afghan government has ordered US special forces to leave one of Afghanistan's most restive provinces, Maidan Wardak, after receiving reports from local officials claiming that the elite units had been involved in the torture and disappearance of Afghan civilians.
(11) This made it desperately hard to carry credibility with MPs — crucial in a coalition parliament where all votes matter and the partners are increasingly restive.
(12) We see him moving forces in the south in a position where he could take the southern region over to Moldova.” Nato officials are concerned that Putin could have designs on Transnistria, a restive Russian-speaking region in western Moldova also known as Trans-Dniester, where separatist leaders have demanded to be allowed to join Russia following the annexation of Crimea.
(13) Boomers who got their start and their breaks in a forgiving welfare democracy are perennially surprised when young people without the financial capacity for independence become restive in junior jobs, readily leave them for better-paid opportunities, or comport themselves differently in the workplace.
(14) At least 74 people have been killed in three weekend attacks in Nigeria's restive north-east, the epicentre of the Boko Haram insurgency that has claimed thousands of lives since 2009.
(15) China says it faces a serious threat from groups such as the East Turkestan Islamic Movement (ETIM), which operates in China’s restive far western region of Xinjiang, home to the Muslim Uighur people, where hundreds have died in violence in recent years.
(16) Several months on, Piano appears still to be grappling with the idea that he – the son of a builder from Genoa, the architectural rebel who came of age in restive 1960s Milan – is now a fully paid-up member of the establishment.
(17) It sent troops to neighbouring Bahrain to crush unrest that pitted the Shia majority against the Sunni al-Khalifa regime, partly out of fear of the "contagion" spreading to its own restive eastern provinces.
(18) He was invited to the remote base on the restive border with Pakistan after offering urgent information to help locate Ayman al-Zawahiri, Osama bin Laden's deputy, Associated Press reported.
(19) The usually more restive southern regions, the Taliban's birthplace and spiritual heartland remain largely calm.
(20) Russian authorities have insisted there will be no security threats to the event, despite the city lying just west of the restive North Caucasus region.