пи

noun, neuter, inanimate

Rarely used word (top 10,000)

Translation

pi (π)
Info: The number π is a mathematical constant that represents the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.

Четы́рнадцатое ма́рта — день пи.March 14th is Pi day.
Мэри испекла́ пиро́г ко Дню числа пи.Mary baked a pie for Pi Day.
Анна зна́ет пе́рвую ты́сячу зна́ков числа пи наизусть.Anna knows the first thousand decimal places of π by heart.
Число́ Пи приблизительно равно 3,14 или 22/7. Его обозначе́ние - "π".The number pi is approximately equal to 3.14 or 22/7. Its symbol is "π".
Пи - иррациона́льное число́.Pi is an irrational number.
Сего́дня День числа пи.Today is Pi Day.

This noun is not delinable, always пи.