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Synonyms

mass-energy

British  

noun

  1. mass and energy considered as equivalent and interconvertible, according to the theory of relativity

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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According to the Standard Model and previous mass measurements, the W boson should weigh about 80.357 billion electron volts, the unit of mass-energy favored by physicists.

From New York Times • Jun. 13, 2022

This “missing” mass is the mass defect, which has been converted into the binding energy that holds the nucleus together according to Einstein’s mass-energy equivalence equation, E = mc2.

From Textbooks • Feb. 14, 2019

Substituting this quantity into the mass-energy equivalence equation yields:

From Textbooks • Feb. 14, 2019

To go back in time by one year, unfortunately, you'd need a loop containing about half the mass-energy of an entire galaxy.

From Time Magazine Archive

Physicists theorize that up to 27 percent of the mass-energy content of the universe is composed of what they refer to as dark matter.

From "We Are the Ants" by Shaun David Hutchinson