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.
Einstein selected a value that counteracted the gravitational pull of matter, allowing the universe to remain stable.
From Science Daily ● Aug. 18, 2026
Einstein famously stated that "The second law of thermodynamics occupies a unique position among the laws of Nature," reflecting his view that it was one of the most secure and fundamental principles in physics.
From Science Daily ● Jul. 21, 2026
"There is no clear winner in this race yet, which is why it is currently quite a hot topic," said Marc Einstein of Counterpoint Research.
From Barron's ● Jul. 19, 2026
Albert Einstein showed that communication speeds can approach but never exceed the speed of light, so that information asymmetry is a fundamental property of the universe.
From The Wall Street Journal ● Jul. 8, 2026
A parrot can say anything Albert Einstein could say, as well as mimicking the sounds of phones ringing, doors slamming and sirens wailing.
From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari
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.
