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2017 Word of the Year

electron-volt

or electron volt

[ih-lek-tron-vohlt] /ɪˈlɛk trɒnˌvoʊlt/
noun, Physics.
1.
a unit of energy, equal to the energy acquired by an electron accelerating through a potential difference of one volt and equivalent to 1.602 × 10 −19 joules.
Abbreviation: eV, ev.
Origin of electron-volt
1925-1930
First recorded in 1925-30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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