adj 1  :  composed of or resembling crystals  2 a  :  formed by crystallization  :  having regular arrangement of the atoms in a space lattice - see AMORPHOUS2    b  :  having the internal structure though not necessarily the external form of a crystal <granite is only , while quartz crystal is perfectly crystallized>  crys*tal*lin*i*ty n pl  -ties  
 
 also    
 
Similar sounding terms:  crys·tal·lin  crystallina 
 
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