or e·lec·tron volt
[ ih-lek-tron-vohlt ]
/ ɪˈlɛk trɒnˌvoʊlt /
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
PRACTICE SOME ESCAPISM WITH THIS WORD OF THE DAY QUIZ!
We salute you if you remember all the doovers from Word of the Day between May 25 and May 31!
Question 1 of 7
Origin of electron-volt
First recorded in 1925–30
Words nearby electron-volt
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for electron volt
A unit of energy equal to the energy acquired by an electron falling through a potential difference of one volt, approximately 1.602 X 10-19 joule.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for electron volt
A unit used to measure the energy of subatomic particles. One electron volt is defined as the energy needed to move an electron (which has an electric charge equal to -1) across an electric potential of one volt.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.