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philosophers' stone

noun, Alchemy.
1.
a substance sought by alchemists that would be capable of transmuting baser metals into gold or silver and of prolonging life.
Also, philosopher's stone.
Origin
1350-1400
1350-1400; Middle English
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for philosopher's stone

philosopher's stone

noun
1.
a stone or substance thought by alchemists to be capable of transmuting base metals into gold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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philosopher's stone in Culture

philosopher's stone definition


The stone or material that practitioners of alchemy believed capable of changing other metals into gold.

Note: Figuratively, the “philosopher's stone” is a substance thought to be capable of regenerating man spiritually.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Value for philosopher

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22
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