electromagnetic spectrum


electromagnetic spectrum

noun

Definition of ELECTROMAGNETIC SPECTRUM

: the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light

First Known Use of ELECTROMAGNETIC SPECTRUM

circa 1934

Browse

Next Word in the Dictionary: electromagnetic theory of light
Previous Word in the Dictionary: electromagnetics
All Words Near: electromagnetic spectrum

Seen & Heard

What made you want to look up electromagnetic spectrum? Please tell us where you read or heard it (including the quote, if possible).

Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

Get Our Free Apps

Voice Search, Favorites,
Word of the Day, and More

iPhone | iPad | Android | More