Dictionary Check: ultraviolet

"ultraviolet" is a valid word!

Scrabble 14 points
Words with Friends 18 points

Definition

adjective

having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end

Example: "ultraviolet radiation"
noun

radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays

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