See Also: Rosetta Stone, the(dictionary)
Rosetta stone(dictionary)
Rosetta Stone(encyclopedia)
La Rosetta(tourism)
rosetta wood(medicine)
stone(encyclopedia)
Stone Age(dictionary)
through-stone(2)(dictionary)
Stone Age(encyclopedia)
dhu stone(dictionary)

Rosetta stone (iou)



Rosetta stone noun phr. E20.
[A stone discovered in 1799 near Rosetta, Egypt, bearing a 2nd cent. BC trilingual inscription in Greek, demotic Egyptian, and Egyptian hieroglyphs which provided the key for deciphering hieroglyphs.]
fig. & allus. A key to some previously indecipherable mystery, unattainable understanding, etc.