Examples of antimatter in a Sentence
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If the matter-antimatter asymmetry arose due to a breaking of a certain cosmic symmetry at a higher energy, then restoring the symmetry could lead to that symmetry re-breaking in a different fashion.
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Big Think, 5 Mar. 2026
For the research, the scientists searched for lambda hyperons and their antimatter counterparts, antilambdas.
—Georgina Jedikovska, Interesting Engineering, 5 Feb. 2026
This means that pairs of particles—a particle and its antimatter partner—can briefly come into being by borrowing energy from nothing.
—Clara Moskowitz, Scientific American, 4 Feb. 2026
Anderson had accidentally discovered antimatter.
—IEEE Spectrum, 3 Feb. 2026
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Big Think, 5 Mar. 2026
For the research, the scientists searched for lambda hyperons and their antimatter counterparts, antilambdas.
—Georgina Jedikovska, Interesting Engineering, 5 Feb. 2026
This means that pairs of particles—a particle and its antimatter partner—can briefly come into being by borrowing energy from nothing.
—Clara Moskowitz, Scientific American, 4 Feb. 2026
Anderson had accidentally discovered antimatter.
—IEEE Spectrum, 3 Feb. 2026
See All Example Sentences for antimatter
Cite this Entry
“Antimatter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antimatter. Accessed 13 Mar. 2026.
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antimatter
noun
an·ti·mat·ter
ˈant-i-ˌmat-ər 
: matter whose parts match parts of ordinary matter except in having some opposite properties (as a positive instead of a negative charge)
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