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Valid in these dictionaries

TWL/NWL (Scrabble US/CA/TH)
SOWPODS/CSW (Scrabble UK / ALL)
ENABLE (Words with Friends)

Meaning of pi

1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  pi
      n 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 [syn: {private detective}, {PI}, {private eye},
         {private investigator}, {operative}, {shamus}, {sherlock}]
      3: the scientist in charge of an experiment or research project
         [syn: {principal investigator}, {PI}]
      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 [syn: {protease inhibitor},
         {PI}]

Source : WordNet ® Princeton University. 2010.

Use this dictionary checker to learn more about a word - find out its meaning and also make sure whether that word is a valid word in any of these dictionaries (used by popular word games). Here is the list of dictionaries it checks for :

OCTWL / TWL : The official dictionary for scrabble game in United States, Canada and Thailand.
SOWPODS / CSW : UK and the rest of the world uses this dictionary for various word games including scrabble.
ENABLE - This is the default dictionary for Words with Friends.

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