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Dictionary

mass'-en'er•gy equa"tion

Pronunciation: (mas'en'ur-jē), [key] Physics.
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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Massena

Massenet

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