ANTIMATTER
Antimatter
In particle physics, antimatter is material composed of antiparticles, which have the same mass as particles of ordinary matter but have opposite charge and other particle properties such as lepton and baryon number. Encounters between particles and antiparticles lead to the annihilation of both, giving rise to varying proportions of high-energy photons, neutrinos, and lower-mass particle–antiparticle pairs. Setting aside the mass of any product neutrinos, which represent released energy which generally continues to be unavailable, the end result of annihilation is a release of energy available to do work, proportional to the total matter and antimatter mass, in ...The above text is a snippet from Wikipedia: Antimatter
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antimatter
Noun
- Matter that is composed of the antiparticles of those that constitute normal matter.
- A form of matter that has a key property, such as charge, opposite to that of ordinary matter.
The above text is a snippet from Wiktionary: antimatter
and as such is available under the Creative Commons Attribution/Share-Alike License.