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Related to thermion: theremin
An electrically charged particle, especially an electron, emitted by a conducting material at high temperatures.
therm′i·on′ic (-mī-ŏn′ĭk) adj.
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.
(General Physics) physics an electron or ion emitted by a body at high temperature
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
therm•i•on(ˈθɜrmˌaɪ ən, -ɒn; ˈθɜr mi ən)
an ion emitted by incandescent material.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
An electrically charged particle or ion that is emitted by a conducting material when heated by an electric current.
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.
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|Noun||1.||thermion - an electrically charged particle (electron or ion) emitted by a substance at a high temperature|
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