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

First Known Use of philosopher's stone

14th century


PHILOSOPHER'S STONE Defined for English Language Learners

philosopher's stone

noun

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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