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protasis
prote-
protea
protean
protease
protease inhibitor
proteasome
protect
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protectant
pro·tect·ant [ prə téktənt ] (plural pro·tect·ants)


noun 
Definition:
 
substance providing protection: a substance that prevents something from being damaged, e.g. a coating used to keep metal from rusting
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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