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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Until now, no instrument could directly visualize it at terahertz frequencies.
—Aamir Khollam, Interesting Engineering, 4 Feb. 2026
Looking ahead, Singh sees sensing as an important new opportunity for terahertz tech.
—IEEE Spectrum, 2 Feb. 2026
The company told TechCrunch it's been working on terahertz sensing systems for the last few years, demoing it for car manufacturers, and most recently, landing US$150 million in a Series B funding round.
—Abhimanyu Ghoshal, New Atlas, 17 Nov. 2025
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Aamir Khollam, Interesting Engineering, 4 Feb. 2026
Looking ahead, Singh sees sensing as an important new opportunity for terahertz tech.
—IEEE Spectrum, 2 Feb. 2026
The company told TechCrunch it's been working on terahertz sensing systems for the last few years, demoing it for car manufacturers, and most recently, landing US$150 million in a Series B funding round.
—Abhimanyu Ghoshal, New Atlas, 17 Nov. 2025
See All Example Sentences for terahertz
Cite this Entry
“Terahertz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terahertz. Accessed 13 Feb. 2026.
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