Invisible ultraviolet Synonyms

We can't find synonyms for the phrase "Invisible ultraviolet", but we have synonyms for terms, you can combine them.

IU abbreviation

IU is an abbreviation for Invisible Ultraviolet

What does IU stand for?

IU stands for "Invisible Ultraviolet"

Definitions for Invisible

(adjective) not readily seen or noticed
(adjective) impossible or nearly impossible to see; imperceptible by the eye
(adjective) not prominent or readily noticeable

Definitions for Ultraviolet

(adjective) having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end
(noun) radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays