pi
/pi/masculine
pi is the French word for the English phrase pi.
pi refers to the irrational mathematical constant.
Meaning: irrational mathematical constant (noun)
How does it change in a sentence?
The word is a masculine noun.
How do you pronounce it?
/pi/
Did you know?
- While pi is a mathematical constant, the word pie in French refers to a magpie. Because they sound identical, French speakers often make puns involving the bird and the number.
- While the word is spelled the same as in English, a French speaker will pronounce it as 'pee' /pi/ rather than the English 'pie' /paɪ/.
- French mathematicians often refer to the number as le nombre pi to distinguish it from the letter pi used in the Greek alphabet.
Examples in context
- Le 14 mars est le jour de pi.March 14 is Pi Day.This sentence is useful for mentioning pi in the context of Pi Day.Tatoeba #4724173 by gillux, translation #4733231 by tazi
- Il cogna la piñata avec une batte en bois.He whacked the piñata with a wooden bat.Note that in this sentence, pi is only part of the word piñata.Tatoeba #12473068 by Rovo, translation #11880833 by Amastan
- Le nombre pi est une constante mathématique fondamentale.The number pi is a fundamental mathematical constant.
- La formule pour calculer la circonférence d'un cercle est 2 fois le rayon multiplié par le nombre π .The formula to calculate the circumference of a circle is 2 times the radius multiplied by the number π.
- La valeur de pi est infinie.The value of pi is infinite.
- 2 more sentences on Tatoeba
Example conversation
Two students are studying for a geometry exam.
- EmmaTu connais la valeur de pi ?Do you know the value of pi?
- HugoOui, c'est environ trois virgule quatorze.Yes, it is approximately three point fourteen.
- EmmaHugo, tu es très fort en maths !Hugo, you are very good at math!
- HugoMerci, je révise beaucoup.Thanks, I study a lot.
Sources
- Wiktionary, “pi” translations and entries pi, CC BY-SA 4.0, dump of 2026-09-26.
- Example sentences: Tatoeba CC BY 2.0 FR.
