antimatter

/ˈæn.taɪ.mæˌtɚ/

noun

  1. Matter that is composed of the antiparticles of those that constitute normal matter.

  2. A form of matter that has a key property, such as charge, opposite to that of ordinary matter.

Similar Words

ant /ɛnt/ antacids antagonise antagonising antagonism /ænˈtæɡənɪzəm/ antagonisms antagonist /ænˈtæɡənɪst/ antagonistic /æn.tæ.ɡə.ˈnɪs.tɪk/ antagonists antagonize