(n.) An invitation to engage in a contest or controversy of any kind; a defiance; specifically, a summons to fight a duel; also, the letter or message conveying the summons.
(n.) The act of a sentry in halting any one who appears at his post, and demanding the countersign.
(n.) A claim or demand.
(n.) The opening and crying of hounds at first finding the scent of their game.
(n.) An exception to a juror or to a member of a court martial, coupled with a demand that he should be held incompetent to act; the claim of a party that a certain person or persons shall not sit in trial upon him or his cause.
(n.) An exception to a person as not legally qualified to vote. The challenge must be made when the ballot is offered.
(n.) To call to a contest of any kind; to call to answer; to defy.
(n.) To call, invite, or summon to answer for an offense by personal combat.
(n.) To claim as due; to demand as a right.
(n.) To censure; to blame.
(n.) To question or demand the countersign from (one who attempts to pass the lines); as, the sentinel challenged us, with "Who comes there?"
(n.) To take exception to; question; as, to challenge the accuracy of a statement or of a quotation.
(n.) To object to or take exception to, as to a juror, or member of a court.
(n.) To object to the reception of the vote of, as on the ground that the person in not qualified as a voter.
(v. i.) To assert a right; to claim a place.
Example Sentences:
(1) Bronchial challenge caused an immediate asthmatic response.
(2) When chimeric animals were subjected to a lethal challenge of endotoxin, their response was markedly altered by the transferred lymphoid cells.
(3) This frees the student to experience the excitement and challenge of learning and the joy of helping people.
(4) The degree of increase in Meth responsiveness elicited by the initial provocation is a major factor in determining the airway response to a subsequent HS challenge.
(5) Intranasal challenge of allergic subjects with the allergen to which they are sensitive rapidly produces sneezing, rhinorrhea, and airway obstruction.
(6) Matthias Müller, VW’s chief executive, said: “In light of the wide range of challenges we are currently facing, we are satisfied overall with the start we have made to what will undoubtedly be a demanding fiscal year 2016.
(7) In 1935, Einstein challenged the prevailing interpretation of quantum theory.
(8) A shrinking populace is perhaps a greater challenge than any problems with Russia.
(9) Intraperitoneal injection of indomethacin to pretreated animals resulted in increased levels of IL-1 and TNF and decreased levels of PGE2 following challenge with E. coli.
(10) Think of Nelson Mandela – there is a determination, an unwillingness to bend in the face of challenges, that earns you respect and makes people look to you for guidance.
(11) The children's pulse, pulse rate variability, and blood pressure were then measured at rest and during a challenging situation.
(12) At first it looked as though the winger might have shown too much of the ball to the defence, yet he managed to gain a crucial last touch to nudge it past Phil Jones and into the path of Jerome, who slipped Chris Smalling’s attempt at a covering tackle and held off Michael Carrick’s challenge to place a shot past an exposed De Gea.
(13) The results support the notion that mediator lymphocytes circulate in tumor immunized rats in a noncytotoxic state, specifically recognize tumor cells at a challenge site, and mediate induction of effector cells locally.
(14) The role of blood acetylcholinesterase in moderating the effects of organophosphate challenge in rats was tested.
(15) In the first trial to investigate the effect of tick control, significant improvements in liveweight gain (LWG) occurred only in periods of medium to high challenge with adult Amblyomma variegatum.
(16) The SNT and the I-ELISA indicated that the pigs responded to vaccination and challenge.
(17) 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)).
(18) This observation seriously challenges the hypothesis that SCE cancellation results as a consequence of persistence of the lesions induced by these agents.
(19) Injection of about four ImD 50 of vaccine intracerebrally produced a local immunity, resulting in an immediate kill of challenge organisms given 14 days later.
(20) There was no correlation between anti-TNP-precipitating antibody titer after sensitization and the ability to respond to challenge by hapten-heterologous carrier.
Test
Definition:
(n.) A cupel or cupelling hearth in which precious metals are melted for trial and refinement.
(n.) Examination or trial by the cupel; hence, any critical examination or decisive trial; as, to put a man's assertions to a test.
(n.) Means of trial; as, absence is a test of love.
(n.) That with which anything is compared for proof of its genuineness; a touchstone; a standard.
(n.) Discriminative characteristic; standard of judgment; ground of admission or exclusion.
(n.) Judgment; distinction; discrimination.
(n.) A reaction employed to recognize or distinguish any particular substance or constituent of a compound, as the production of some characteristic precipitate; also, the reagent employed to produce such reaction; thus, the ordinary test for sulphuric acid is the production of a white insoluble precipitate of barium sulphate by means of some soluble barium salt.
(v. t.) To refine, as gold or silver, in a test, or cupel; to subject to cupellation.
(v. t.) To put to the proof; to prove the truth, genuineness, or quality of by experiment, or by some principle or standard; to try; as, to test the soundness of a principle; to test the validity of an argument.
(v. t.) To examine or try, as by the use of some reagent; as, to test a solution by litmus paper.
(n.) A witness.
(v. i.) To make a testament, or will.
(n.) Alt. of Testa
Example Sentences:
(1) Multiple stored energy levels were randomly tested and the percent successful defibrillation was plotted against the stored energy, and the raw data were fit by logistic regression.
(2) In January 2011, the Nobel peace prize laureate was admitted to a Johannesburg hospital for what officials initially described as tests but what turned out to be an acute respiratory infection .
(3) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
(4) These results indicated that the PG determination was the most accurate predictor of fetal lung well-being prior to birth among the clinical tests so far reported.
(5) Clinical surveillance, repeated laboratory tests, conventional radiology, and especially ultrasonography and CT scan all contributed to the preoperative diagnosis.
(6) The hypothesis that proteins are critical targets in free radical mediated cytolysis was tested using U937 mononuclear phagocytes as targets and iron together with hydrogen peroxide to generate radicals.
(7) LHRH therapy leads to higher plasma LH levels and a lower FSH in response to an intravenous LHRH test.
(8) Of the patients 73% demonstrated clinically normal sensibility test results within 23 days after operation.
(9) Neuropsychological testing is a relatively new field in the area of clinical neuroscience.
(10) Thirteen patients with bipolar affective illness who had received lithium therapy for 1-5 years were tested retrospectively for evidence of cortical dysfunction.
(11) Our data suggest that a rational use of surveillance cultures and serological tests may aid in an earlier diagnosis of FI in BMT patients.
(12) The HBV infection was tested by the reversed passive hemagglutination method for the HBsAg and by the passive hemagglutination method for the anti-HBs at the time of recruitment in 1984.
(13) The testing of other models and their failure to describe the kinetic observations are discussed.
(14) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(15) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
(16) The hemodynamic efficiency of the drive was tested in a number of in vivo experiments.
(17) Serum samples from 23 families, including a total of 48 affected children, were tested for a set of "classical markers."
(18) Tests showed the cells survive and function normally in animals and reverse movement problems caused by Parkinson's in monkeys.
(19) The promoters of the adenovirus 2 major late gene, the mouse beta-globin gene, the mouse immunoglobulin VH gene and the LTR of the human T-lymphotropic retrovirus type I were tested for their transcription activities in cell-free extracts of four cell lines; HeLa, CESS (Epstein-Barr virus-transformed human B cell line), MT-1 (HTLV-I-infected human T cell line without viral protein synthesis), and MT-2 (HTLV-I-infected human T cell line producing viral proteins).
(20) Immunocompetence was also evident when the cells from thymectomized donors were first incubated with thymus extract for 1 hr and subsequently tested for reactivity.