noun🔗ShareMatter that is composed of the antiparticles of those that constitute normal matter."Scientists are trying to understand how so little antimatter exists in the universe compared to normal matter. "physicsmaterialenergyscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareA form of matter that has a key property, such as charge, opposite to that of ordinary matter."Scientists are studying antimatter to understand the universe's creation. "physicsmaterialenergyscienceChat with AIVocabulary GamePractice Reading