What does 'PI' stand for? We found 87 results (0.5 seconds):

«definition»  What does PI mean?                the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846... someone who can be employed as a detective to collect information the scientist in charge of an experiment or research project the 16th letter of the Greek alphabet an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs

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