Definition: Meaning of, Rosetta Stone, the in English to English dictionary.
Pronunciation:/ stəʊn ðə;ðɪ;ðiː /
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a large, ancient stone that was found in Egypt in 1799, which had the same piece of writing on it in three different writing systems: Greek letters, Egyptian letters, and ancient Egyptian HIEROGLYPHICS . This important discovery made it possible for people to translate HIEROGLYPHICS for the first time. The stone is now kept in the British Museum.