| 单词 | tunnel effect |
| 释义 | tunnel effectnounPhysics. a quantum-mechanical process by which a particle can pass through a potential energy barrier that is higher than the energy of the particle: first postulated to explain the escape of alpha particles from atomic nuclei. Also called tun·nel·ing. Origin of tunnel effectFirst recorded in 1930–35 Words nearby tunnel effectTunker, tunnage, tunnel, tunnel diode, tunnel disease, tunnel effect, tunneling, tunnel of love, tunnel vault, tunnel vision, Tunney Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for tunnel effecttunnel effect nounphysics the phenomenon in which an object, usually an elementary particle, tunnels through a potential barrier even though it does not have sufficient energy to surmount the barrier. It is explained by wave mechanics and is the cause of alpha decay, field emission, and certain conduction processes in semiconductors 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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