Definitions of pi:
  • noun:   the 16th letter of the Greek alphabet
  • noun:   the ratio of the circumference to the diameter of a circle
  • noun:   an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs
  • noun:   the scientist in charge of an experiment or research project
  • noun:   someone who can be employed as a detective to collect information
  • name:  A surname (very rare: popularity rank in the U.S.: #69127)

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