What is the meaning of π?
Pi, an irrational constant representing the ratio of the circumference of a circle to its diameter; approximately 3.14159265.
A voiceless labiodental plosive (p̪).
Lower-case pi (πεῖ), the 16th letter of the ancient Greek alphabet. It represented the voiceless unaspirated bilabial plosive /p/. It is preceded by ο and followed by ρ.
The lower case letter pi (πι), the 16th letter of the modern Greek alphabet.
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