(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.
Task
Definition:
(v.) Labor or study imposed by another, often in a definite quantity or amount.
(v.) Business; employment; undertaking; labor.
(v. t.) To impose a task upon; to assign a definite amount of business, labor, or duty to.
(v. t.) To oppress with severe or excessive burdens; to tax.
(v. t.) To charge; to tax; as with a fault.
Example Sentences:
(1) However, as the same task confronts the Lib Dems, do we not now have a priceless opportunity to bring the two parties together to undertake a fundamental rethink of the way social democratic principles and policies can be made relevant to modern society.
(2) However, the relationships between sociometric status and social perception varied as a function of task.
(3) Women seldom occupy higher positions in a [criminal] organisation, and are rather used for menial, but often dangerous tasks ,” it notes.
(4) Full consideration should be given to the dynamics of motion when assessing risk factors in working tasks.
(5) This implementation reduced a formidable task to a relatively routine run.
(6) Early detection of breast cancer is the major indication, and mammography is the single best test for this task.
(7) An operant delayed-matching task was used to assess the role of proactive interference (PI) effects on short-term memory capacity of rats.
(8) Learning ability was assessed using a radial arm maze task, in which the rats had to visit each of eight arms for a food reward.
(9) The effects of noise on information processing in perceptual and memory tasks, as well as time reaction to perceptual stimuli, were investigated in a laboratory experiment.
(10) A control experiment demonstrated that changes in general arousal could not account for the effects of task difficulty on neuronal responses.
(11) The pattern of results in simpler tasks is more difficult to interpret.
(12) In the appetitive passive avoidance task, only the substantia nigra lesion group exhibited a deficiency.
(13) For such a task, Malawi needs the best government it can get, and this will have to be demanded by the people.
(14) Stress may increase to an intolerable level with the number of tasks, with higher qualified work and due to the lack of familiarity with fellow workers in ever changing settings.
(15) The tasks which appeared to present the most difficulties for the patients were written spelling, pragmatic processing tasks like sentence disambiguation and proverb interpretation.
(16) Fifty-one severely retarded adults were taught a difficult visual discrimination in an assembly task by one of three training techniques: (a) adding and reducing large cue differences on the relevant-shape dimension; (b) adding and fading a redundant-color dimension; or (c) a combination of the two techniques.
(17) Similarities are pointed out between tasks used for the purpose of operationally defining the schizophrenic 'deficit' and tasks used to define creativity.
(18) On the reaction time task no main effects were found but the time X drinker category interaction was significant; in session 1 LSD's RT were shorter than those of HSD.
(19) Two different mental stressors were used: a mental arithmetic task with low stimulus intensity and one with high stimulus intensity characterised by more challenging instructions, a more competitive situation, and exposure to affective noise.
(20) This information then will allow the physician to determine safe levels of ventilation for a particular work task.