Psi (letter) |
||
|
Psi (Ψ ψ) is the 23rd letter of the Greek alphabet and has a numeric value of 700.
It has come to be a symbol for psychology-related topics, and has also been used as a shorthand for supposed psychic abilities or powers. See also PSI (pounds per square inch). |
||
Take this note to be able to access this article instantly from any page |
||