哲てつ学がく者しゃの石いし

expression, noun

philosopher's stone

A legendary alchemical substance said to turn base metals into gold and grant immortality. Often used in fantasy and historical contexts.

See also: 賢者の石

• 錬れん金きん術じゅつ師したちは哲てつ学がく者しゃの石いしを探さがし求もとめた。

  Alchemists sought the philosopher's stone.

• ハリー・ポッターの物もの語がたりでは、哲てつ学がく者しゃの石いしが重じゅう要ような役やく割わりを果はたす。

  In the Harry Potter story, the philosopher's stone plays an important role.