Associations to the word «Antiparticle»

Wiktionary

ANTIPARTICLE, noun. (particle) A subatomic particle corresponding to another particle with the same mass, spin and mean lifetime but with charge, parity, strangeness and other quantum numbers flipped in sign.

Dictionary definition

ANTIPARTICLE, noun. A particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy.

Wise words

The difference between the right word and the almost right word is the difference between lightning and a lightning bug.
Mark Twain