: 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
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.
Including zinc oxide nanoparticles allowed the fabric to absorb near-ultraviolet light. — Mike McRae 24, New Atlas, 24 Aug. 2026 Broad-spectrum light is usually whitish in color and does not contain any UV rays, while full-spectrum light has a bluish color and features wavelengths from infrared to near-ultraviolet. — Bestreviews, Chicago Tribune, 16 Jan. 2026 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 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

Word History

First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of near-ultraviolet was in 1951

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Cite this Entry

“Near-ultraviolet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/near-ultraviolet. Accessed 4 Oct. 2026.

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