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Philoctetes
philodendron
philogyny
philology
philomath
philoprogenitive
philosophe
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philosopher’s stone
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philosopher’s stone
phi·los·o·pher's stone or phi·los·o·phers' stone


noun 
Definition:
 
substance for turning metal into gold: a substance that medieval alchemists believed could be used to convert other metals into gold
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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