Ultraviolet

[ʌltrə'vaɪələt] or [,ʌltrə'vaɪələt]

Definition

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

(adj.) having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end; 'ultraviolet radiation'; 'an ultraviolet lamp' .

Checked by Jo--From WordNet

Definition

(a.) Lying outside the visible spectrum at its violet end; -- said of rays more refrangible than the extreme violet rays of the spectrum.

Typed by Josephine