ultraviolet
Ultraviolet (adj) means describing light or radiation with a wavelength shorter than visible light, invisible to the human eye. Example: “Ultraviolet rays from the sun can cause sunburn and skin damage.”
How to use ultraviolet
Learner’s notesIn plain EnglishLight beyond violet that we can't see, but which can burn skin and is used in various technologies.
Word forms
- Plural
- ultraviolets
- Comparative
- more ultraviolet
- Superlative
- most ultraviolet
Fill the gap
Can you complete this real example?
_____ rays from the sun can cause sunburn and skin damage.
Etymology
From "ultra-" ("beyond") plus "violet", since this radiation lies just beyond the violet end of the visible spectrum.
Synonyms
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Related words
Rhymes for ultraviolet
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