Definition of Free electron

1. Noun. Electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field.

Generic synonyms: Electron, Negatron

Medical Definition of Free electron

1. An electron not bound to an atom, molecule, or other particle via electromagnetic forces. (09 Oct 1997)

Free Electron Pictures

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Lexicographical Neighbors of Free Electron

free ball
free bone flap
free border
free border of nail
free border of ovary
free burning
free calcium level
free cash flow
free central placentation
free climbing
free convection
free diver
free diving
free edge
free electron (current term)
free electrophoresis
free energy
free enterprise
free fall
free fatty acid
free field
free flap
free float
free form
free gingiva
free grace
free graft
free group
free hand

Literary usage of Free electron

Below you will find example usage of this term as found in modern and/or classical literature:

1. Popular Science Monthly (1902)
"Conversely the attraction which exists between a free electron and an atom deprived of an electron also varies. Accordingly the attraction between atomic ..."

2. A System of Physical Chemistry by William Cudmore McCullagh Lewis, James Rice (1919)
"Now let us consider the reverse process, namely, the act of binding a free electron to the nucleus. At the beginning the electron may be regarded as ..."

3. Rays of Positive Electricity and Their Application to Chemical Analyses by Joseph John Thomson (1921)
"... from the considerations given ,on page 57, expect that to liberate a free electron an atom of hydrogen would require an amount of energy represented by ..."

4. The Origin of Spectra by Paul Darwin Foote, Fred Loomis Mohler (1922)
"The molecule is dissociated in the flame and the positively charged sodium atom picks up a free electron instead of the negative chlorine atom. ..."

5. Radio Engineering Principles by Henri Lauer, Harry Leonard Brown (1919)
"... due to the applied emf. will produce on each free electron of the conductor a force smaller than it would, had the free electron been in empty space. ..."

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