electron volt [ ih- lek-tron-vohlt ] SHOW IPA / ɪˈlɛk trɒnˌvoʊlt / PHONETIC RESPELLING noun Physics. 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. Abbreviations: eV, ev QUIZZES QUIZ YOURSELF ON “ITS” VS. “IT’S”!
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e·lec·tronvolt, electron-volt . Origin of electron volt
First recorded in 1925–30
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for electron volt
You have the atom, which has the neutron, the electron, the proton.
But with an electron micgrograph to illustrate what was fueling the outbreak, they were able to gain the trust of the people.
When the gamma rays enter the sleeve, they interact with that photon gas, annihilating into electron-positron pairs.
Its electric car the Volt had its best month ever, selling 3,351 units.
On the other hand, sales of the Volt declined in April 2013 from April 2012.
The next day the electricians hooked it up to a twelve-hundred-volt feed-line, and by noon it was ready to go.
The loss of one electron by an atom leaves a unit positive charge on the particle.
Archivolt, r′ki-volt, n. the band or moulding which runs round the lower part of the archstones of an arch.
The electron is a stress in the ether, nothing more, but it is the stuff of which all matter is made.
Archivolt (rki-volt), in architecture, the ornamental band of mouldings on the face of an arch and following its contour.
noun a unit of energy equal to the work done on an electron accelerated through a potential difference of 1 volt. 1 electronvolt is equivalent to 1.602 × 10 –19 joule Symbol: eV
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
n. 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.
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.