antimatter
/ˈæn.tiˌmæt.ər/
noun
- Matter that is made up of particles with opposite electrical charges to normal matter; when antimatter meets matter, they destroy each other and release energy.
- Scientists at CERN create small amounts of antimatter in particle accelerators.
- In science fiction, antimatter is often used as a powerful fuel for spaceships.
- When antimatter comes into contact with regular matter, they annihilate in a burst of energy.
Antonyms