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Use "researcher" in a sentence
"Mary Wood, 42, was frantic for work when she applied to the bureau after getting divorced and losing her job as a title researcher in the oil and gas industry in the same week."
"Upon logging in, synesthetes can choose to share their data with a researcher; if they do, the researcher is automatically emailed and can log on to examine the results."
"I think Rock, an active researcher, is right on this."