What is the meaning of principal investigator?

noun

  • The scientist in charge of an experiment or research project.
    • synonyms: PI
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). principal investigator. Retrieved October 1, 2026, from http://smartdefine.org/principal_investigator/definitions/1231629
ChicagoWordNet. 2010. "principal investigator" http://smartdefine.org/principal_investigator/definitions/1231629 (accessed October 1, 2026).
HarvardWordNet 2010, principal investigator, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/principal_investigator/definitions/1231629>.
MLAWordNet. "principal investigator" 23 October 2010. Web. 1 October 2026. <http://smartdefine.org/principal_investigator/definitions/1231629>