Student Dictionary

2 entries found for pi.
To select an entry, click on it.
Main Entry: pi
Pronunciation: primarystresspimacr
Function: noun
Inflected Form(s): plural pis /primarystresspimacrz/
1 : the 16th letter of the Greek alphabet -- Π or π
2 a : the symbol π representing the ratio of the circumference of a circle to its diameter b : the ratio itself having a value of approximately 3.1416

Pronunciation Symbols