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persuade
persuader
persuasion
persuasive
PERT
pert
pertain
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Perth and Kinross
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perturbation
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Perspex
Per·spex [ púr spèks ]


trademark 
Definition:
 
a trademark for a tough transparent acrylic plastic that can be used in place of glass
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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