Antimatter (noun)

A substance composed of particles that have the opposite charge, spin, and other properties as those of particles of normal matter.

Origin:

From anti- ("opposite" or "contrary") + matter ("substanc.e")

Examples:

  1. Scientists believe that antimatter may have been created in equal amounts to matter during the Big Bang.
  2. Research on antimatter is focused on developing technologies such as medical imaging and cancer therapy.
  3. Antimatter has the potential to be used as a fuel source for spacecrafts, because of the large amounts of energy released when it comes into contact with normal matter.
  4. In the lab, antimatter is produced by colliding high-energy particles together.
  5. Scientists are still trying to understand the properties of antimatter and its relationship with normal matter.
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