Synonyms and Antonyms for rosetta stone | Synonym.com

Synonyms and Antonyms for rosetta stone

1. Rosetta Stone (n.)

a part of an inscribed granite stela that was originally about six feet tall and was set up in 196 BC; the inscriptions in hieroglyphics and Demotic and Greek gave the first clues to the decipherment of Egyptian hieroglyphics

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