Definition from Wiktionary, the free dictionary
See also: بی
پی • (pi)
- The letters "P" and the Greek "Π"
- (mathematics) Pi, An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.1415926535897932384626433832795; usually written π.
پی • (pey)
- (architecture) A foundation; the lowest and supporting part or member of a wall, including the base course and footing courses; in a frame house, the whole substructure of masonry.
- behind, back