Dictionary.com

invisible spectrum

[ in-viz-uh-buhl spek-truhm ]
/ ɪnˈvɪz ə bəl ˈspɛk trəm /
Save This Word!

noun Physics.
the range of wavelengths of electromagnetic radiation that lie on either side of the visible spectrum and which consists of infrared and ultraviolet light.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of invisible spectrum

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use invisible spectrum in a sentence

FEEDBACK