ANTIMATTER. “In modern physics, antimatter is defined as matter that is composed of the antiparticles (or “partners”) of the corresponding particles of “ordinary” matter.”
https://en.m.wikipedia.org/wiki/Antimatter
ANTIMATTER. “In modern physics, antimatter is defined as matter that is composed of the antiparticles (or “partners”) of the corresponding particles of “ordinary” matter.”
https://en.m.wikipedia.org/wiki/Antimatter