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polyelectrolyte
polyembryony
polyene
polyester
polyethylene
polyethylene glycol
Polyfilla
polygamy
polygene
polygenesis
polygenic disorder
polyglot
polygon
polygonum
polygraph
polygyny
polyhedra
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polycrystal
pol·y·crys·tal [ póllee krìst'l ] (plural pol·y·crys·tals)


noun 
Definition:
 
randomly formed crystal: a crystalline structure whose crystals were formed rapidly and randomly
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