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What does PI stand for?

PI stands for Phase I (clinical studies)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 126 other meanings of PI in our Acronym Attic

Samples in periodicals archive:

CB&I's scope for Phase I of the project--which is valued between US$725-750 million--includes a ship unloading system, three full containment 155,000-cubic-meter LNG storage tanks, and a regasification and sendout system.