from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One trillion (1012) hertz.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A unit of measurement based on one trillion hertz.
  • n. One trillion hertz, 1012 Hz.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. one trillion periods per second


from Wiktionary, Creative Commons Attribution/Share-Alike License

tera- +‎ hertz


  • THz (1 terahertz is a million times million periods a second).

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  • An unused type of radiation known as terahertz radiation was also discussed at the meeting, by David Whittaker from the University of Sheffield .

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  • (sub-millimeter waves or so-called terahertz waves), but applications are now appearing.

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  • Advance made toward communication, computing at 'terahertz' speeds

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  • But physicists have now discovered a way to use a gallium arsenide nanodevice as a signal processor at "terahertz" speeds that could help end the bottleneck.

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  • Physicists in the United States and Germany have discovered a way to use a gallium arsenide nanodevice as a signal processor at "terahertz" speeds, the first time it's been used for this purpose and an important step forward in the new world of optical communication and computing.


  • The algorithm might now be refined to improve accuracy considerably and an alternative imaging process such as terahertz imaging might also offer more precise data. - latest science and technology news stories

  • T-rays (as the name suggests) have frequencies in the terahertz band (from 300 gigahertz to three terahertz)— also sometimes called the THF (or tremendously high frequency) band.

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  • Infrared (IR) radiation is electromagnetic radiation whose wavelength is longer than that of visible light (400—700 nm), but shorter than that of terahertz radiation (300 gigahertz) and microwaves.

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  • According to a study from Los Alamos National Laboratory, terahertz wave radiation THz emitted by the new scanners creates effects that may interfere with DNA replication.

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