ultraviolet has definitions from the field of physics
1
[ noun ] (physics) radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays

Used in print

(Nathan Rapport, ""I've Been Here before!"...)

We know that the number of radio and television impulses , sound_waves , ultra-violet rays , etc. , that may occupy the very same space , each solitary upon its own frequency , is infinite .

Related terms

actinic_radiation sun-ray

2
[ adjective ] having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end

Examples

"ultraviolet radiation" "an ultraviolet lamp"

Used in print

(Walter H. Buchsbaum, "Advances in Medical Electronics"...)

Fig. 1 is a simplified block_diagram of the ultraviolet microscopy system developed at the Medical_Electronics_Center of Rockefeller_Institute .

The result is a color picture of the specimen where the primary colors correspond to the three different ultraviolet wavelengths .

Related terms

invisible

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