Defenition of the word antimatter
    
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Defenition of the word antimatter
        
                    - Matter composed of antiparticles.
 
                    - matter consisting of elementary particles that are the antiparticles of those making up normal matter
 
                    - matter consisting of elementary particles that are the antiparticles of those making up normal substances
 
                
     
Hypernyms for the word antimatter
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