ultraviolet

CEFR: C1-C2 /ul-tra-vi-o-let/ [ah2.l.t.r.ah0.v.ay1.ah0.l.ih0.t]

Definition: (Of electromagnetic radiation) having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of X-rays

Example Sentences:

Most medical lasers emit light which are either ultraviolet, infrared or in the visible spectrum of light.