Definitions for "pion"
subatomic particle with a mass equal to 270 electron masses. It may be neutral or charged positively or negatively. Also known as pi-meson.
The lightest meson having a positive or negative charge and a rest mass 273 times that of the electron, or no charge and a rest mass 264 times that of the electron. It is the most important contributor to the force which binds the atomic nucleus together.
An unstable nuclear particle with a rest mass between that of an electron and a proton. Also known as the pi meson.
Pion is an extensible, but lightweight IDE. It is planned that Pion offers support for debuggers, compilers and other third party utilities by the use of the Pion Interface & Extension System. By default Python and C/C++ will be supported languages.