terahertz
noun
tera·hertz
ˈter-ə-ˌhərts 
-ˌherts
plural terahertz
: a unit of frequency equal to one trillion hertz
Visible light occupies the neighborhood of 300 terahertz, which is 300 x 1012 cycles per second.—
Dave Doody
Dave DoodyTerahertz waves also occupy a unique window of the electromagnetic spectrum where a large number of molecules emit and absorb radiation.—Michael C. Wanke et al.
Michael C. Wanke et al.Examples of terahertz in a Sentence
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The downside to terahertz waves is the challenging physics of harnessing them.
—IEEE Spectrum, 15 Mar. 2025
Compared to traditional antennas that have a limited range of tuned frequencies, broadband Rydberg atomic receivers can operate across a huge span of frequencies ranging from HF long-wavelength to millimeter-wavelength frequencies in the terahertz spectrum.
—Paul Smith-Goodson, Forbes, 20 Feb. 2024
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IEEE Spectrum, 15 Mar. 2025
Compared to traditional antennas that have a limited range of tuned frequencies, broadband Rydberg atomic receivers can operate across a huge span of frequencies ranging from HF long-wavelength to millimeter-wavelength frequencies in the terahertz spectrum.
—Paul Smith-Goodson, Forbes, 20 Feb. 2024
See All Example Sentences for terahertz
Cite this Entry
“Terahertz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terahertz. Accessed 9 Sep. 2025.
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