mass energy

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.

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

The pion has mass and can only be created by violating the conservation of mass-energy.

From Textbooks • Aug. 12, 2015

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