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Philosophers' stone
/fɪlˈɒsəfəz stˈəʊn/
/fɪlˈɑːsəfɚz stˈoʊn/
Philosophers' stone
01
hypothetical substance that the alchemists believed to be capable of changing base metals into gold
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hypothetical substance that the alchemists believed to be capable of changing base metals into gold