solid-state
adjective
                                                                                                                            
                                                            sol·id-state
                    
                                                                                                              
                                                                                                                                  ˌsä-ləd-ˈstāt  
                                                      
                                                          
            1
                    
                                          
              
          
                                                      : relating to the properties, structure, or reactivity of solid material                                      
                
                                
            especially                
          
                                                      : relating to the arrangement or behavior of ions, molecules, nucleons, electrons, and holes in the crystals of a substance (such as a semiconductor) or to the effect of crystal imperfections on the properties of a solid substance                                       
              
                             
            solid-state physics    
                         
            2
                    
        a
    
          
                                          
              
          
                                                      : utilizing the electric, magnetic, or optical properties of solid materials                                      
              
                             
solid-state circuitry
                         
                
                    
        b
    
          
                                          
              
          
                                                      : using semiconductor devices rather than electron tubes                                      
              
                             
a solid-state radio
                         
                
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  Merriam-Webster unabridged




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