Rosetta
Americannoun
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a town in N Egypt, at a mouth of the Nile.
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a female given name.
noun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Riemann Hypothesis, often considered the most difficult and important problem in all of mathematics, would serve as a Rosetta stone revealing the secrets of the primes.
From Slate ● Jun. 22, 2026
Among the featured musical acts are Rosetta Stone, a Downpatrick band that Reid says were the epitome of "Big in Japan".
From BBC ● May 24, 2026
"It's a stepping stone to Mars, where we might have the most likelihood of finding evidence of past life, but it's also a Rosetta Stone for how other solar systems form."
From Barron's ● Apr. 1, 2026
For now, I continue to study the photos of my polyps like they’re the Rosetta Stone and find solace that I asked for the earlier colonoscopy instead of the later one.
From Los Angeles Times ● Feb. 3, 2026
Rosetta is so quiet, always glancing down shyly, her hand clutching a torn piece of cloth which she occasionally rubs against her cheek.
From "The Unfinished Angel" by Sharon Creech
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
