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PI

PI

7 7.9
A person who plans and runs a research project in a university or lab
  • noun
  • /piː aɪ/
  • Jargon
translation icon : investigador principal
  • Data were collected by MSW students enrolled in the principal investigator's (PI) research practicum class.
  • PI investigator
  • PI staff
  • performance of PI

And I asked my, my Pi, my lab head.

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Examples

  • After a debriefing session, the PI leads an exercise in previewing this term's controversial Supreme Court cases.

    Academic text (1993)
  • In the end, the PI chose to rely only on the approval of the prevailing IRB.

    Academic text (2008)
  • In this case, the PI's appeal was granted, and the study was approved.

    Academic text (2008)
  • Every fifth case was reviewed by the PI to ensure consistency in data collection and the data entry process.

    Academic text (2000)
  • I'm a professor of genetic epidemiology at King's College London and the main scientific academic Pi on this app project.

  • Students travel with the PI to Oklahoma to earn course credit for community-based health practicum and research activities.

    Academic text (2011)
  • Nurse managers and PI staff collaborated to prioritize the projects to be implemented.

    Academic text (2013)
  • The PI was responsible for overseeing the research project from start to finish.

  • As the lead PI on the grant, she coordinated the efforts of her research team.

  • During the meeting, the PI explained the objectives and methods of the study.

Synonyms

point man
vsPI
  • Informal
13 6.1

Main person who leads and speaks for a project or task

is a formal research leader rather than an informal coordinator or spokesperson
principal investigator
vsPI
  • Specialized
7 7.0

A scientist who leads and manages a research project

is the formal academic role overseeing design, conduct, and project management
1 3.6

A person who leads a team working on a particular task

focuses specifically on scientific research design, conduct, and management

Compounds

pi-meson
  • Specialized
9.9

A small particle that helps hold the center of an atom together

pom pi pi
  • Baby Talk
9.9

A short, simple beat that keeps the rhythm in songs

Surface Forms

PI singular
PIs plural

Etymology

PI is short for Principal Investigator, where principal means 'main' or 'chief', like a school principal, and investigator means 'someone who studies or leads the research'. So a PI is the person mainly responsible for a research project.