philosopher's stone

noun

Definition of philosopher's stone

: an imaginary stone, substance, or chemical preparation believed to have the power of transmuting baser metals into gold and sought by alchemists; broadly : an elusive or imaginary key to success called also philosophers' stone

Recent Examples of philosopher's stone from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'philosopher's stone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of philosopher's stone

14th century

in the meaning defined above

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PHILOSOPHER'S STONE Defined for English Language Learners

philosopher's stone

Definition of philosopher's stone for English Language Learners

  • : an imaginary substance that people in the past believed had the power to change other metals into gold


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