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 (in Japanese), Third edition, Tōkyō: Sanseidō, →ISBN
- ↑ 2.0 2.1 2.2 Kindaichi, Kyōsuke et al., editors (1997), 新明解国語辞典 (in Japanese), Fifth edition, Tōkyō: Sanseidō, →ISBN
- ^ Shōgaku Tosho (1988) 国語大辞典(新装版) [Unabridged Dictionary of Japanese (Revised Edition)] (in Japanese), Tōkyō: Shogakukan, →ISBN