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perfunctory
perfuse
Pergamum
pergola
perhaps
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peri-
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performance enhancer
per·form·ance en·hanc·er (plural per·form·ance en·hanc·ers)


noun 
Definition:
 
dietary supplement: a dietary supplement used by athletes to enhance bursts of high performance
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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