million electron volts

American  

noun

Physics.

1. a unit of energy equal to the energy acquired by an electron in falling through a potential of 10 6 volts. MeV, Mev, mev

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Etymology

Origin of million electron volts

First recorded in 1905–10

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Example Sentences

See Examples For:

million electron volts

First, the gamma-ray signal extended smoothly from more than 100 trillion electron volts down to 400 million electron volts.

From Science Daily ● Aug. 2, 2026

By comparison, protons, the bedrock of ordinary matter, are about 1 giga-electron volt, and an electron is only half a million electron volts.

From New York Times ● Dec. 12, 2011

For comparison, a proton is about one billion electron volts and an electron is half a million electron volts.

From New York Times ● Aug. 1, 2011

Splitting a single uranium atom in a nuclear reaction produces 1 million electron volts.

From US News ● Mar. 31, 2010

Radio-sodium had a gratifyingly lengthy half-life of fifteen and a half hours and gamma ray energies that Ernest calculated at about 5 million electron volts.

From "Big Science" by Michael Hiltzik

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