Waves composed of undulating electrical fields and magnetic fields. The different kinds of electromagnetic waves, such as light and radio waves, form the electromagnetic spectrum. All electromagnetic waves have the same speed in a vacuum, a speed expressed by the letter c (the speed of light) and equal to about 186,000 miles (or 300,000 kilometers) per second.
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Words nearby electromagnetic waves
Example sentences from the Web for electromagnetic waves
There have been previous waves of people moving to Texas, and we are now experiencing the latest wave.
Piketty only waves his hands around the all-important question of whether economic inequality undermines democracy.
When she walks past, he crinkles his nose and gives her little private waves.Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days|David Freeman|December 13, 2014|DAILY BEAST
The first country in the world to legalize same-sex marriage, Denmark still waves its banner high.
Can there actually be massive tidal waves like the one we saw on the first planet they visited?Neil deGrasse Tyson Breaks Down ‘Interstellar’: Black Holes, Time Dilations, and Massive Waves|Marlow Stern|November 11, 2014|DAILY BEAST
It will be remembered that pitch depends upon the rapidity of the sound waves or vibrations.Expressive Voice Culture|Jessie Eldridge Southwick
A biggish sea running, subsiding as the day went on—and my mind grew calmer with the waves.Gallipoli Diary, Volume I|Ian Hamilton
The next morning a gust of wind carried him, and him only, out of the boat into the waves, and he was never seen again.
Then waves of grief broke over her, and she sobbed convulsively; but still she shed no tears.Ramona|Helen Hunt Jackson
On three sides, the cliffs rise so precipitously from the waves, that all access is impossible.A Woman's Journey Round the World|Ida Pfeiffer