near-ultraviolet
adjective
near-ul·tra·vi·o·let
ˌnir-ˌəl-trə-ˈvī-(ə-)lət 
: of, relating to, or being the longest wavelengths of radiation in the ultraviolet spectrum especially between 300 and 400 nanometers
Examples of near-ultraviolet in a Sentence
Recent Examples on the Web
This detailed information primarily spans the visible spectrum and often extends into near-infrared and near-ultraviolet regions crucial for simulating how materials interact with light accurately.
—
ArsTechnica, 28 Mar. 2025
Lithography systems in the 1980s used mercury lamps that radiated at wavelengths of 436 nanometers (violet light) and eventually 365 nm (near-ultraviolet).
—Jayson Stewart, IEEE Spectrum, 5 Mar. 2025
The team analyzed visible, near-infrared, and near-ultraviolet wavelength data from 20 exoplanet systems in the same way to minimize bias that might be inherent to other studies.
—Robert Lea, Space.com, 6 Feb. 2025
At the same time, the dye absorbs most light at wavelengths in the near-ultraviolet and blue spectrums and decreases the scattering of those types of light.
—Lauren J. Young, Scientific American, 5 Sep. 2024
The camera will use its 5.1-foot-wide optical lens to take a 15-second exposure of the sky every 20 seconds, automatically changing filters to view light in every wavelength from near-ultraviolet to the near-infrared.
—Isaac Schultz / Gizmodo, Quartz, 3 Apr. 2024
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
ArsTechnica, 28 Mar. 2025
Lithography systems in the 1980s used mercury lamps that radiated at wavelengths of 436 nanometers (violet light) and eventually 365 nm (near-ultraviolet).
—Jayson Stewart, IEEE Spectrum, 5 Mar. 2025
The team analyzed visible, near-infrared, and near-ultraviolet wavelength data from 20 exoplanet systems in the same way to minimize bias that might be inherent to other studies.
—Robert Lea, Space.com, 6 Feb. 2025
At the same time, the dye absorbs most light at wavelengths in the near-ultraviolet and blue spectrums and decreases the scattering of those types of light.
—Lauren J. Young, Scientific American, 5 Sep. 2024
The camera will use its 5.1-foot-wide optical lens to take a 15-second exposure of the sky every 20 seconds, automatically changing filters to view light in every wavelength from near-ultraviolet to the near-infrared.
—Isaac Schultz / Gizmodo, Quartz, 3 Apr. 2024
Cite this Entry
“Near-ultraviolet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/near-ultraviolet. Accessed 23 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share