noun
EXAMPLES FROM CORPUS
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But the device can also accelerate antiprotons, the antimatter equivalents of protons with the same mass but negative electric charge.
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Earlier we talked about antimatter - particles which have all their physical characteristics opposite to those displayed by particles of matter.
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In the same way that matter is constituted of fundamental particles, antiparticles are the building blocks of antimatter .
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One argument is that the particles of matter and antimatter began bumping into each other and annihilating.
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Unfortunately, it seems extremely unlikely that predictable technology will be equipped to amass large quantities of antimatter .