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Pi Definition & Meaning

pi
noun
  1. the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
  2. someone who can be employed as a detective to collect information
  3. the scientist in charge of an experiment or research project
  4. the 16th letter of the Greek alphabet
  5. an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs

"Pi" in song lyrics

See how pi is used in real songs:

  • "to make the pi ?? 6"
    Boot Camp Clik f/ Buckshot da B.D.I. Emcee — Follow Me
  • "Creepin' up on you, like doin' my Magnum P.I."
    Brotha Lynch Hung f/ Swartzaniggaz — Feel My Nature Rize
  • "Keeps it P.I."
    Clika One f/ Kurupt, Chiko Dateh, Don Cisco — Gangsta Pimpin'

Words that rhyme with pi

Usage tips for "pi"

Understanding the precise definition of a word helps you use it with confidence. When using "pi" in your writing, consider whether you need the word itself or one of its synonyms — subtle differences in meaning can change the tone of a sentence. If you're writing poetry or song lyrics, check the rhymes for pi to find words that pair well.

Use "pi" in a verse

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Frequently asked questions

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
What part of speech is pi?
Pi is a noun.
How many definitions does pi have?
Pi has 5 definitions across 1 part of speech (noun).

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