Definition of Rosetta Stone in English:

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Rosetta Stone

Pronunciation: /rə(ʊ)ˈzɛtə/
1An inscribed stone found near Rosetta (now called Rashid) in Egypt in1799. Its text is written in three scripts: hieroglyphic, demotic, and Greek. The deciphering of the hieroglyphs by Jean-François Champollion in 1822 led to the interpretation of many other early records of Egyptian civilization.
1.1 (as noun a Rosetta stone) A key to some previously undecipherable mystery or unattainable knowledge: zero point energy could be the Rosetta stone of physics
More example sentences
  • If there is a Rosetta stone for deciphering Edwards' bold decision to seek the presidency and abandon the Senate after a single term on Capitol Hill, it is embedded in the way he has reacted to his son's death.
  • The similar values may be a Rosetta stone that will serve to allow a common language to emerge regardless of where either group is, or is perceived to be, on the political spectrum.
  • It was a Rosetta stone that I would continually go back to when multiple issues from disparate groups clamored for priority.
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