パイ
Japanese
[edit]Pronunciation
[edit]Etymology 1
[edit]
Noun
[edit]- a pie (type of pastry)
Etymology 2
[edit]
From English pi,[1][2] ultimately from Ancient Greek πεῖ (peî).
Noun
[edit]Usage notes
[edit]In Japanese mathematics notation, lower-case π is used to represent the constant of the ratio of the circumference of a circle to its diameter (3.14159265...). Upper-case Π is used to represent a product of a multiplication operation.
References
[edit]- ↑ 1.0 1.1 1.2 Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
- ↑ 2.0 2.1 2.2 Kindaichi, Kyōsuke et al., editors (1997), 新明解国語辞典 [Shin Meikai Kokugo Jiten] (in Japanese), Fifth edition, Tokyo: Sanseidō, →ISBN
- ^ Shōgaku Tosho (1988) 国語大辞典（新装版） [Unabridged Dictionary of Japanese (Revised Edition)] (in Japanese), Tōkyō: Shogakukan, →ISBN