noun Download 🔗Share Matter that is composed of the antiparticles of those that constitute normal matter. Examples : "Scientists are trying to understand how so little antimatter exists in the universe compared to normal matter. " physics material energy science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A form of matter that has a key property, such as charge, opposite to that of ordinary matter. Examples : "Scientists are studying antimatter to understand the universe's creation. " physics material energy science Chat with AIVocabulary GamePractice Reading