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A hypothetical subatomic particle that always travels faster than the speed of light.

tach′y·on′ic 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.


(Nuclear Physics) physics a hypothetical elementary particle capable of travelling faster than the velocity of light
[C20: from tachy- + -on]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈtæk iˌɒn)

a hypothetical subatomic particle that travels faster than the speed of light.
[1967; < Greek tachý(s) swift]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
Kameron Hurley; MEET ME IN THE FUTURE; Tachyon Publications (Fiction: Science Fiction) 16.95 ISBN: 9781616962968
- unmanned aircraft systems - Orlan-10E and Tachyon multi-purpose UAV systems, Repellent UAV jamming system.
Venture-backed by Andreessen Horowitz and Seven Seas Partners, Alluxio was founded at UC Berkeley's AMPLab by the creators of the Tachyon open source project.
The four girls formed the Tachyon team in the F1 in schools competition, representing Wales on the global stage and scooping awards in the world finals in Singapore, as well as three other awards in Austin, Texas.
Amy Martin, a Year 12 student, first gained a place in the Williams Randstad Engineering Academy after her success as manager of Team Tachyon (in two consecutive years) - the school's all-girl F1 in Schools competitors.
Summary: ConsenSys Ventures has announced that it will be accepting applications for the Tachyon accelerator.
has opened applications for its new accelerator, Tachyon.
The bar tender responds "Can I get you anything?" A tachyon enters the bar.
Sen, "Rolling Tachyon," Journal of High Energy Physics, vol.
Auto Business News-November 13, 2017--Rice Advanced Engineering Systems and Research to produce Tachyon Speed
This work is connected with the theory of tachyon movement.