Noun
matter consisting of elementary particles that are the antiparticles of those making up normal substances
Source: WordNetI like to say that while antimatter may seem strange, it is strange in the sense that Belgians are strange. They are not really strange; it is just that one rarely meets them. Lawrence M. Krauss
Antimatter is not a source of energy for us, it's a method of storing energy, compact but inefficient. Bernard M. Oliver
Opposites can attract, as in magnetism. Or explode, as in matter and antimatter. Peter David
Sometimes you meet a girl and it's like matter and antimatter. You just hate each other for no damn reason. Lilith Saintcrow
On the big Bang theory For every one billion particles of antimatter there were one billion and one particles of matter. And when the mutual annihilation was complete, one billionth remained - and that's our present universe. Albert Einstein
According to the TNG Technical Manual, photon torpedoes use 1.5 kg of matter and 1.5 kg of antimatter. Source: Internet