پی

See also: بی‎

Persian

When a circle's diameter is 1 unit, its circumference is π units.

When a circle's radius is 1 unit, its circumference is 2π units.

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

单词	پی
释义	پی See also: بی‎ Persian Etymology 1 When a circle's diameter is 1 unit, its circumference is π units. When a circle's radius is 1 unit, its circumference is 2π units. Pronunciation IPA^(key): /piː/ Noun 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. Pronunciation IPA^(key): /pej/ Noun 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
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