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.

QUIZZES

QUIZ YOURSELF ON THE 12 TYPES OF VERB TENSES!

Loosen up your grammar muscles because it’s time to test your knowledge on verb tenses!
Question 1 of 6
The verb tenses can be split into which 3 primary categories?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of invisible spectrum

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use invisible spectrum in a sentence

FEEDBACK