Einstein
Americannoun
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Albert 1879–1955, German physicist, U.S. citizen from 1940: formulator of the theory of relativity; Nobel Prize 1921.
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Alfred 1880–1952, German musicologist in U.S.
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(lowercase) a unit of radiant energy, equal to the energy of radiation that is capable of photochemically changing one mol of a photosensitive substance.
noun
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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.
In 1931, the Nobel Prize-winning physicist Albert Einstein was spending his first winter at Caltech, and he wrote to a friend, “Here in Pasadena, it is like Paradise. Always sunshine and clear air …”
From Los Angeles Times • Mar. 26, 2026
That same year, Einstein introduced another important equation describing the energy of matter: a form of the famous relationship E = mc2.
From Science Daily • Mar. 10, 2026
AI is still leading the BBC Sport predictions table, but could Albert Einstein be the unlikely inspiration to help Chris Sutton hit back this week?
From BBC • Feb. 26, 2026
Enterprise AI systems are platforms that integrate directly into corporate workflows—think of Microsoft Copilot embedded in Word, Excel and Outlook, or Salesforce’s Einstein AI woven into customer-relationship management.
From The Wall Street Journal • Feb. 15, 2026
Thank Einstein, Fig’s blood sugar is back in check.
From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas
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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.