pi plural
pi
The plural form of pi is pis
P pDefinitions
- noun plural pi the 16th letter of the Greek alphabet (II, π). 1
- noun plural pi the consonant sound represented by this letter. 1
- noun plural pi Mathematics. the letter π, used as the symbol for the ratio of the circumference of a circle to its diameter. the ratio itself: 3.141592+. 1
- noun plural pi printing types mixed together indiscriminately. 1
- noun plural pi any confused mixture; jumble. 1