challenge

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challenge

1. US an assertion that a person is not entitled to vote or that a vote is invalid
2. Law a formal objection to a person selected to serve on a jury (challenge to the polls) or to the whole body of jurors (challenge to the array)
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

challenge

[′chal·ənj]
(communications)
To cause an interrogator to transmit a signal which puts a transponder into operation.
(immunology)
Administration of an antigen to ascertain state of immunity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Over half (50.3%) of AR101 patients ages 4-17 tolerated a 1000-mg dose of peanut protein in the exit food challenge, compared to 2.4% of placebo patients.
? Coleg Cambria's Hafod restaurant staff are hoping their version of surf and turf will help them win a food challenge final place Pictures: GINGER PIXIE PHOTOGRAPHY
Of the 37 subjects who completed the study, 32 (86%) safely ingested more than 300 mg of peanut and 12 (32%) passed the oral food challenge at the end of SLIT therapy.
One of the assignments of this year's program was for students to organize food challenge awareness events on their home campuses.
CInspired by the incredibly popular Man v Food, featuring Adam Richman as host, eateries across the UK have started providing their own mammoth food challenges and inviting people to take part.
Diagnosis of food allergy in children: Towards a standardization of food challenge. J Pediatr Gastroenterol Nutr 2007;45:399-404.
The challenge is supported by Food Challenge Champion, Amy Cooper, founder of social enterprise Secret Seed Society and urban food gardener, who will work across the programme to help explore the open data potential and to convene a community of participants with great ideas.
Leyland said that he loves the American food challenge concept and wanted to do something of his own and ended up creating the 'Hell Fire' food challenge.
The Barry r Island Man vs Food challenge can be undertaken during open hours and is only l available to people aged 16 plus.
The Fiery Food Challenge is a competition that invites hot, “really hot,” spicy and zesty foods and fiery food-related products to be submitted by those folks vying for the prestigious Golden Chile Award - one of only two “fiery” food awards that stand out in the United States.
Food blogger Gourmet Gorro, AKA teacher Ed Gilbert, says that stepping up for the Man v Food challenge at the North Star on Cardiff's North Road took a lot of pluck.