pi Meaning in the Cambridge English Dictionary
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Meaning of “pi” in the English Dictionary

"pi" in British English

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uk   us   /paɪ/ (symbol Π, π)
[U] mathematics, science the ​number (​approximately 3.14) used to ​calculate the ​size of ​circles [C or U] language the 16th ​letter of the ​Greekalphabet
(Definition of pi from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"pi" in American English

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pinoun [U]

 /pɑɪ/ (symbol π)
geometry a ​number that is the ratio (= ​comparison) of the ​distance around a ​circle to the ​distanceacross the ​circle, ​equal to about 3.14159
(Definition of pi from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “pi”
in Chinese (Simplified) 圆周率…
in Chinese (Traditional) 圓周率…
What is the pronunciation of pi?
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