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pi
/ paI; paI/ n 1 the sixteenth letter of the Greek alphabet (, ), represented in English spelling by `p' , p. 2 (geometry ) symbol () representing the ratio of the circumference of a circle to its diameter (ie 3.14159) 3.14159.
OXFORD ENGLISH DICTIONARY posted at 2009-11-22 13:44:09
§ Mothers Day § crusher § put sth towards sth § christmas § xmas §

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