pi
- IPA[pī]
美式
- the sixteenth letter of the Greek alphabet (Π, π), transliterated as ‘p.’.；the numerical value of the ratio of the circumference of a circle to its diameter (approximately 3.14159).
- the numerical value of pi.；osmotic pressure.
- 釋義
- 相關詞
名詞
- 1. the sixteenth letter of the Greek alphabet (Π, π), transliterated as ‘p.’.
- ▪ the numerical value of the ratio of the circumference of a circle to its diameter (approximately 3.14159).
- ▪ the sixteenth star in a constellation Pi Herculis
- ▪ relating to or denoting an electron or orbital with one unit of angular momentum about an internuclear axis the π orbital system of the benzene molecule
symbol
- 1. the numerical value of pi.
- 2. osmotic pressure.
- 3. mathematical product.
