Meaning & use
antimatter
Matter composed of particles that are the exact opposite of ordinary matter's particles in electric charge.
See it in a sentence
Physicists produce tiny amounts of antimatter in particle accelerators to study its properties.
In science fiction, a small amount of antimatter can power an entire starship.
A note on using this word
When matter and antimatter meet, they annihilate each other and release a large burst of energy.
Words with a similar meaning
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