[ mas-en-er-jee ]
/ ˈmæsˈɛn ər dʒi /
the equation, E=mc2, formulated by Albert Einstein, expressing the equivalence between mass and energy, where E is energy, m is mass, and c is the velocity of light.
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Question 1 of 10
What does “barren” mean?
Origin of mass-energy equation
First recorded in 1940–45
Words nearby mass-energy equation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020