electromagnetic radiation

noun
Updated on: 12 Apr 2018

Definition of electromagnetic radiation

: energy in the form of electromagnetic waves; also : a series of electromagnetic waves

Recent Examples of electromagnetic radiation from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electromagnetic radiation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of electromagnetic radiation

1891

in the meaning defined above

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Medical Dictionary

electromagnetic radiation

noun

medical Definition of electromagnetic radiation

: a series of electromagnetic waves

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