electromagnetic-pulse

electromagnetic pulse

noun
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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American Heritage
Science Dictionary
electromagnetic pulse  
A pulse of intense electromagnetic radiation generated by certain physical events, especially by a nuclear explosion. The pulse includes a continuous spectrum of low frequencies and can interfere with the operation of electrical equipment.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Electromagnetic-pulse is always a great word to know.
So is lollapalooza. Does it mean:
the offspring of a zebra and a donkey.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
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