suitcase scientist
n.— «Maryville resident Bill Cabage, a spokesman for Oak Ridge National Laboratory, said ORNL’s frequent fliers are referred to as “suitcase scientists.” Those scientists with their carry-on luggage and laptops are helping keep business brisk at McGhee Tyson, despite the current economic climate.» —“McGhee Tyson caters to business travelers” by Robert Norris Daily Times (Maryville, Tennessee) May 27, 2008. (source: Double-Tongued Dictionary)
Further reading
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