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

tach′y·on′ic adj.


(Nuclear Physics) physics a hypothetical elementary particle capable of travelling faster than the velocity of light
[C20: from tachy- + -on]


(ˈtæk iˌɒn)

a hypothetical subatomic particle that travels faster than the speed of light.
[1967; < Greek tachý(s) swift]
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References in periodicals archive ?
Auto Business News-November 13, 2017--Rice Advanced Engineering Systems and Research to produce Tachyon Speed
1E, which provides the only software lifecycle automation solutions that can handle both routine IT tasks and emergency actions in real time, announced today that it has added key enhancements to its real-time Endpoint Detection and Response (EDR) solution Tachyon.
Represented Tachyon at MWC, mHealth, CTIA, ATARC, AFCEA and other mobility events
Tim Tachyon ydyn ni, grwp o bedwar o ddisgyblion blwyddyn 10 o Ysgol Uwchradd Dinbych, sydd ar hyn o bryd yn paratoi ar gyfer rownd derfynol y byd yng nghystadleuaeth yr F1 mewn Ysgolion a gynhelir yn Austin, Texas
A team of four girls from Denbigh High, Team Tachyon, have been crowned Welsh Champions in the F1 in Schools Technology Challenge.
Tachyon-100G has identical electrical properties as its predecessor Tachyon; however, the Z-axis coefficient of thermal expansion (CTE) on Tachyon-100G is more than 30% lower than Tachyon, making it more suitable for fabricating high-layer count, 0.
According to the company, Tachyon Flexible Mask Optimization (Tachyon FMO), part of ASML's Holistic Lithography portfolio, enables the use of multiple Optical Proximity Correction (OPC) techniques in a single mask tapeout, permitting the use of advanced and computationally intensive OPC in those local areas where they provide maximum benefit.
Tachyon Technologies, a Bangalore-based software maker, has just launched the Beta version of its Quillpad software for mobile phones even as tech giant Google works to perfect its own translation tool Indic.
AGNES TACHYON, last season's leading sire in Japan, died of a heart attack on Monday at Shadai Farm.
Among the possible solutions is the Tachyon Broadband Satellite.
Johnny and his friends (Yo-less, Bigmac, Kirsty and Wobbler) come across mysterious old bag lady Mrs Tachyon injured in an alleyway.
Design engineers established a 4 Gb/s FCAL connection between Agilent's Tachyon 4 Gb/s DX4+ PCI-X and Tachyon QX4 PCI Express Fibre Channel controllers and a Hitachi 4Gb/s hard disk drive prototype.