antimatter
noun/ˈæntimætə(r)/
/ˈæntimætər/, /ˈæntaɪmætər/
[uncountable] (physics)- matter that is made up of antiparticlesTopics Physics and chemistryc2
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
antimatter