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pi noun

  /paɪ/
  • The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
  • (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.
 пи

pie noun

  /paɪ/ , /pɑɪ/
  • A type of pastry that consists of an outer crust and a filling.
 беля́ш, пиро́г, пирожо́к
  • 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.
 пирог

pied adjective

  /paɪd/
  • Decorated or colored in blotches.
 пёстрый, разноцве́тный
Pi Day
День числа пи
pi-meson
пи-мезон
pi pulse
пи-импульс
pi-mesoatom
пи-мезоатом
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