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permute
pernicious
pernicious anemia
pernickety
peroneal
peroral
perorate
perovskite
peroxidase
peroxide
peroxisome
perp
perp walk
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peroxidase
per·ox·i·dase [ pə róksə dàyss, pə tóksə dàyz ] (plural per·ox·i·dases)


noun 
Definition:
 
oxidation enzyme: an enzyme in animals and plants that helps neutralize harmful peroxides
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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