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Vocabulary Entry
ultraviolet
|adjective • noun
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A
adjective
Relating to or denoting electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays.
Example Sentences
"Ultraviolet light can cause sunburn if you're not protected."
"Some plants can absorb ultraviolet radiation to enhance photosynthesis."
"Ultraviolet rays are used in various technologies, including sterilization."
N
noun
A part of the electromagnetic spectrum with wavelengths shorter than visible light.
Example Sentences
"The ultraviolet from the sun can lead to skin damage."
"Special filters are used to block ultraviolet wavelengths in photography."
"Some insects can see ultraviolet patterns on flowers that are invisible to humans."