🇬🇧 en ja 🇯🇵

pi noun

  /paɪ/
  • (mathematics) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265358979323846264338327950; usually written π.
 円周率, パイ
  • The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
 パイ, 円周率

pie noun

  /paɪ/ , /pɑɪ/
  • A type of pastry that consists of an outer crust and a filling.
  • A paper plate covered in cream, shaving foam or custard that is thrown or rubbed in someone’s face for comical purposes, to raise money for charity, or as a form of political protest; a custard pie; a cream pie.
 パイ
Pi Day
円周率の日
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