- the letter π, used as the symbol for the ratio of the circumference of a circle to its diameter.
- the ratio itself: 3.141592+.
Origin of pi1
Other definitions for pi (2 of 5)
Origin of pi2
Other definitions for pi (3 of 5)
Other definitions for pi (4 of 5)
Other definitions for pi (5 of 5)
How to use pi in a sentence
It would be time enough to give in, and make the best of a pis aller , when he was forced to do so.The Kellys and the O'Kellys|Anthony Trollope
If the facts showed them irreconcilable, tant pis pour les faits.The Riddle of the Sands|Erskine Childers
"So much the worse both for you and your son;" tant pis pour vous et pour votre fils, said Rousseau.Life and Correspondence of David Hume, Volume II (of 2)|John Hill Burton
The weakest point in pis construction is of course the framing around openings.Casa Grande Ruin|Cosmos Mindeleff
Pis′ciform, in shape like a fish: having the form of a fish; Pis′cine, pertaining to fishes; Pisciv′orous, feeding on fishes.