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# Einstein equation

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noun Physics.

any of several equations formulated by Albert Einstein, especially the mass-energy equation, E=mc2.

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The rainy weather could not ________ my elated spirits on my graduation day.

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## Origin of Einstein equation

First recorded in 1920–25

## Words nearby Einstein equation

Eindhoven, einkanter, einkorn, Einstein, Einstein, Albert, Einstein equation, Einsteinian, einsteinium, Einstein model, Einstein shift, Einstein's mass-energy law

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

## How to use Einstein equation in a sentence

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