Meaning Of The Word Antiparticle

Real Dictionary

What's the definition of Antiparticle? Find Antiparticle meanings, definitions and more at the Real Dictionary online.

Antiparticle Meaning

Antiparticle Definition
Antiparticle Definition

What's The Definition Of Antiparticle?

antiparticle in American English
any of the constituent particles of antimatter
noun: a particle all of whose properties, as mass, spin, or charge, have the same magnitude as but, where appropriate, the opposite sign of a specific elementary particle; neutral pions, photons, and gravitons are considered to be their own antiparticles

antiparticle in British English
noun: any of a group of elementary particles that have the same mass and spin as their corresponding particle but have opposite values for all other nonzero quantum numbers. When a particle collides with its antiparticle, mutual annihilation occurs

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