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)

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.
References in periodicals archive ?
Americans United, which has several lawsuits challenging faith-based funding under way, says the new legal challenge is extremely important.
This includes teaching staff proper positioning of themselves vis-a-vis residents who are behaviorally challenging, verbal communication skills, and ways to supplement verbal requests with helpful gestures and other visual cues.
Think Time Strategy[TM]) on severe challenging behaviors exhibited by children with EBD.
Vermeer feels involvement in real estate provides exceptional opportunities to master multiple disciplines, from finance to development, marketing to sales, to excel in a challenging industry.
Multi-disciplinary professionals with specialist knowledge of working with deaf people explore aspects of mild to severe challenging behaviour with reference to its cause, assessment, prevention and management.
Through facilitated discussions, conference participants will examine some of the most challenging aspects of working collaboratively, including how to build successful partnerships and expand the role of tribes, states and communities in cooperative conservation; how to improve certainty and incentives for landowners; and how to coordinate conservation across different jurisdictions.
we're challenging brokers and consultants to let CoreSource demonstrate concrete network savings.
After the Supreme Court rejected his challenge to the Pledge last year, Newdow has now embarked a new legal campaign - filing lawsuits challenging the Pledge once again.
The American Center for Law and Justice, specializing in constitutional law, is opposing a legal challenge brought by California atheist Michael Newdow challenging the constitutionality of prayer at the Presidential inauguration.
Setting the example for healthy lifestyle choices, the Suncoast Cycling Club is challenging Bay Area cyclists to dig deep within themselves to untap the determination, strength and courage it takes to participate in the 2004 Diabetes Challenge(R) Nov.
Cray's mission is to be the premier provider of supercomputing solutions for its customers' most challenging scientific and engineering problems.