font size

Definition of PI

PI: In medicine, not a private investigator but a principal investigator, the person who directs a research project or program.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=39307
Last Editorial Review: 9/20/2012

Drug Medical Dictionary of Terms by Letter

Top RxList Drug News

Women's Health

Find out what women really need.

Please acknowledge your agreement
advertisement
advertisement
Use Pill Finder Find it Now

Pill Identifier on RxList

  • quick, easy,
    pill identification

Find a Local Pharmacy

  • including 24 hour, pharmacies
Search the Medical Dictionary for Health Definitions & Medical Abbreviations