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polycrystal
polycrystalline
polycyclic
polycystic
polycystic ovarian syndrome
polycythemia
polydactyl
polydipsia
polyelectrolyte
polyembryony
polyene
polyester
polyethylene
polyethylene glycol
Polyfilla
polygamy
polygene
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polyhedra
pol·y·he·dra
Definition:
 
mathematics 
Plural of  polyhedron
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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