antimatter
an·ti·mat·ter
noun
1.
matter consisting of elementary particles that are the antiparticles of those making up normal matter
Origin
From anti- + matter. Coined by British physicist Arthur Schuster in 1898 to describe matter that resists gravity in a jocular article in Nature titled "Potential Matter.-A Holiday Dream", but not used in a modern sense until the 1940s.
Phrases
- antimatter rocket
Related words
Broader terms
Part of
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.