free electron
an electron that is not attached to an atom or molecule and is free to respond to outside forces.
Origin of free electron
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use free electron in a sentence
Semiconductors lie between metals, with many free electrons that carry electrical current, and insulators, whose electrons are held within its atoms and cannot form a current.
What You’re Doing Right Now Is Proof of Quantum Theory - Issue 108: Change | Sidney Perkowitz | November 24, 2021 | NautilusThe secret was that near absolute zero, vibrations in a metal’s atomic lattice steer free electrons into pairs.
British Dictionary definitions for free electron
any electron that is not attached to an ion, atom, or molecule and is free to move under the influence of an applied electric or magnetic field
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
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