Bible Dictionaries
Ultraviolet

Webster's Dictionary

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

Bibliography Information
Webster, Noah. Entry for 'Ultraviolet'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​u/ultraviolet.html. 1828.