Antiparticle Definition
ăntē-pärtĭ-kəl, ăntī-
antiparticles
noun
A subatomic particle, such as a positron or antiproton, having the same spin, magnitude of electric charge, magnitude of magnetic moment, mass, and mean lifetime as the particle to which it corresponds, but the opposite sign of charge, opposite direction of magnetic moment, and opposite intrinsic parity.
American Heritage
Any of the constituent particles of antimatter.
Webster's New World
Other Word Forms of Antiparticle
Noun
Singular:
antiparticlePlural:
antiparticlesOrigin of Antiparticle
-
anti- + particle
From Wiktionary
Antiparticle Is Also Mentioned In
Find Similar Words
Find similar words to antiparticle using the buttons below.