coinvestigator
noun
\
Definition of coinvestigator
: one of two or more investigators working together "We sent a memo around to a number of faculty members," [William] Oh says, "and we attracted ten coinvestigators."— John Lauerman "… one significant frustration is we don't know a lot about the disease," said Dr. Holly Frost, study co-investigator and pediatrician … — Wisconsin State Farmer
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