pi
nounmasculinetécnico/pi/medium
Definitions
1Letter of the Greek alphabet (π, Π).
The letter pi is the sixteenth of the Greek alphabet.
It is written as pi with the symbol π.
Common collocations
letter pipi symbol
2Mathematical constant representing the ratio of a circle's circumference to its diameter (approximately 3.14159).
The value of pi is used to calculate the area of a circle.
Pi is an irrational number.
Common collocations
value of pipi numbercalculation with pi
Etymology
Do grego 'π' (pi), letra do alfabeto grego.