Definitions for PI

Definitions for (noun) PI

Main entry: protease inhibitor, PI

Definition: an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs

Main entry: pi

Definition: the 16th letter of the Greek alphabet

Main entry: principal investigator, PI

Definition: the scientist in charge of an experiment or research project

Main entry: private detective, private eye, private investigator, PI, operative, shamus, sherlock

Definition: someone who can be employed as a detective to collect information

Main entry: pi

Definition: the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...

Visual thesaurus for PI