反物質

antimatter

contrary / in reverse / inside out or upside down / to reverse / to return / to oppose / opposite / against / anti- / to rebel / to use analogy / instead / abbr. for 反切[fan3 qie4] phonetic system

thing / object / matter / abbr. for physics 物理

matter / substance / material / materialistic / CL:個|个[ge4]

character / nature / quality / plain / to pawn / pledge / hostage / to question / Taiwan pr. [zhi2]