agency

Definition

noun
  1. an organisation which carries out work on behalf of another organisation, e.g. one which recruits and employs nurses and supplies them to hospitals temporarily when full-time nursing staff are unavailable
  2. the act of causing something to happen
    Example The disease develops through the agency of bacteria present in the bloodstream.
"The cost of employing agency nurses should be no higher than the equivalent full-time staff."[Nursing Times]
"Growing numbers of nurses are choosing agency careers, which pay more and provide more flexible schedules than hospitals."[American Journal of Nursing]
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