e·lec·tron

(ĭ-lĕk′trŏn′)

n. Abbr. e

A stable elementary particle in the lepton class having a negative electric charge of 1 elementary unit (about 1.602 × 10^-19 coulombs) and a mass of about 9.11 × 10^-28 grams. Electrons are found in shells orbiting the nuclei of atoms and can also move freely through space as cathode rays in a cathode-ray tube or as beta particles emitted by radioactive nuclei, or flow in a current through a conducting material impelled by an electric potential difference.

[electr(ic) + (i)on.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

electron

(ɪˈlɛktrɒn)

(Atomic Physics) a stable elementary particle present in all atoms, orbiting the nucleus in numbers equal to the atomic number of the element in the neutral atom; a lepton with a negative charge of 1.602 176 462 × 10^–19 coulomb, a rest mass of 9.109 381 88 × 10^–31 kilogram, a radius of 2.817 940 285 × 10^–15 metre, and a spin of

[C19: from electro- + -on]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

e•lec•tron

(ɪˈlɛk trɒn)

n.

1. an elementary particle that is a fundamental constituent of matter, having a negative charge of 1.602 x 10⁻¹⁹ coulombs, and existing independently or as the component outside the nucleus of an atom.

2. a unit of charge equal to the charge on one electron.

[1891; electr (ic) + -on¹, as in ion, cation, anion]

e·lec·tron

(ĭ-lĕk′trŏn′)

A stable subatomic particle with a negative electric charge. Electrons spin about an atom's nucleus in orbits called shells. Electrons behave both as particles and as waves, and their motion generates electric and magnetic fields. Though the electron is the lightest subatomic particle, its charge is as great as that of a proton. See more at atom.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

electron

1. One of the three basic subatomic particles. It is very light and orbits round the nucleus of an atom. It has a negative charge.

2. A subatomic particle carrying a negative charge.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

electron - an elementary particle with negative charge

negatron

delta ray - an electron ejected from matter by ionizing radiation

free electron - electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field

lepton - an elementary particle that participates in weak interactions; has a baryon number of 0

photoelectron - an electron that is emitted from an atom or molecule by an incident photon

valence electron - an electron in the outer shell of an atom which can combine with other atoms to form molecules

Translations

إلكترونإلِكْترون

elektron

Elektron

ηλεκτρόνιο

elektrono

electrón

elektron

elektroni

électron

אלקטרון

elektron

rafeind

elettrone

電子

전자

elektronaselektronikaelektroniniselektroninis paštas

elektrons

elektron

elektron

electrão

electron

электрон

elektrón

elektron

elektron

电子

electron

[ɪˈlektrɒn]

A. N → electrón m

B. CPD electron camera N → cámara f electrónica
electron gun N → cañón m de electrones
electron microscope N → microscopio m electrónico

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

electron

[ɪˈlɛktrɒn] n → électron m

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

electron

n → Elektron nt

electron

electron beam

n → Elektronenstrahl m

electron camera

n → Elektronenkamera f

electron gun

n → Elektronenkanone f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

electron

[ɪˈlɛktrɒn] n → elettrone m

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

electron

(iˈlektron) noun

a very small particle within the atom.

electronic (eləkˈtronik) adjective

1. worked or produced by devices built or made according to the principles of electronics. an electronic calculator.

2. concerned or working with such machines. an electronic engineer.

ˌelectronic ˈmail noun

(also e-mail, ~email) the system of sending messages by computer; the information sent this way.

electronics (eləkˈtroniks) noun singular

the branch of science that deals with the study of the movement and effects of electrons and with their application to machines etc.

e·lec·tron

n. electrón, partícula diminuta de carga eléctrica negativa.

___ beams → haz de electrones.

Mentioned in

References in classic literature

His chief contribution to science was his studies of the electron and his monumental work on the "Identification of Matter and Energy," wherein he established, beyond cavil and for all time, that the ultimate unit of matter and the ultimate unit of force were identical.

View in context

I could have cried aloud in exultation when my scrutiny disclosed the almost invisible incrustation of particles of carbonized electrons which are thrown off by these Martian torches.

View in context

how the differences between different chemical elements can be accounted for by differences of physical structure, the constituents of the structure being electrons which are exactly alike in all kinds of matter.

View in context

The estimation of the background of the random coincidence can be done using the background counting rate of the electron and proton detectors in similar experiments [6, 7].

Project of neutron beta-decay A-asymmetry measurement with relative accuracy of (1-2) X [10.sup.-3]

Electron microscopic diagnosis is uniquely suited for rapid identification of infectious agents.

Electron microscopy for rapid diagnosis of infectious agents in emergent situations (1). (Synopses)

For the past half century, the limit of one electron per solar photon seemed a regrettable fact of semiconductor physics.

Quantum-dot leap: tapping tiny crystals' inexplicable light-harvesting talent

A convenient point of departure for the discussion of the physics of neutron decay is the expression for the polarized neutron decay rate as a function of electron energy [E.sub.e] given by [2]

Measurement of neutron decay parameters--the abBA experiment

The Electron Microscope Unit for the Department of Medical Microbiology and Infectious Diseases, University of Manitoba, is used for EM viral diagnostics by both the major health-care facility in Manitoba, Canada, and the Manitoba Provincial Laboratories; it examines approximately 2,300 clinical specimens annually.

Specimen Collection for Electron Microscopy

After reading about the use of electrons in a particle accelerator to "cool" the antiprotons in a secondary ring ("Smashing Success: Accelerator gets cool upgrade," SN: 2/4/06, p.

Cool idea

A proton detector and electron detector are positioned on either side of a cold neutron beam.

Proposed measurement of the beta-neutrino correlation in neutron decay

Both rely on a regular supply of a toxic electron shuttle, which gets used up as it acts in the cathode.

Microbial moxie: bacteria-based fuel cells provide power

Figure 2 shows a plot of 1/[v.sub.z](z) for two events with an electron energy of 391 keV.

On the measurement of the electron-neutrino correlation in neutron beta decay