PI

agricult. abbr.

Preliminary Incubation

biomed. abbr.

Pepsin Inhibitor

biomed. abbr.

Propyl Isome

comp. abbr.

Programmed Instruction

comp. abbr.

Programmer's Interface

dairy abbr.

Preliminary Incubation

electr. abbr.

Position Indicator

engin. abbr.

Proportional-plus Integral

math. abbr.

Particular Integral

telecom. abbr.

Proportional-plus Integral

abbr.

Placement and Interconnect (system) (VLSI, MIT)

comp. abbr.

Program Interruption

acronym

Principal Investigator

acronym

Priority Interrupt

acronym

Private Investigator