philosophers' stone

phi·los·o·phers' stone

also phi·los·o·pher's stone (fĭ-lŏs′ə-fərz)

n.

A substance that was believed to have the power of transmuting base metal into gold. Also called elixir.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

philos′ophers'

(or philos′opher's) stone`,

n.

a substance sought by alchemists that would be capable of transmuting baser metals into gold or silver and of prolonging life.

[1350–1400]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

philosophers' stone - hypothetical substance that the alchemists believed to be capable of changing base metals into gold philosopher's stone, elixir substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.