pion rocket

Meaning

Noun

• A theoretical type of antimatter rocket which uses proton-antiproton fuel, and magnetic rocket funnels to direct the π-on exhaust. The pi meson particles are created by the matter-antimatter annihilation of protons and antiprotons.

Origin

• From the type of exhaust expelled by the rocket, being composed of π subatomic particles (π mesons, aka pions).