electromagnetic radiation

noun

: energy in the form of electromagnetic waves

also : a series of electromagnetic waves

Examples of electromagnetic radiation in a Sentence

Recent Examples on the Web

Up until this point, however, this technique has relied on combining radio wave detection with observations from galactic surveys operating with visible light, or electromagnetic radiation our eyes have evolved to see. — Robert Lea, Space.com, 4 Sep. 2026

As the Army explains, electromagnetic radiation (EM) from things like radar and telecommunications is believed to be potentially harmful to the body, notably the nervous system. — Christopher McFadden, Interesting Engineering, 25 July 2026

This method works by exposing screwworm larvae to gamma radiation, a specific type of electromagnetic radiation, which sterilizes the larvae. — Sarah Tomlinson, The Conversation, 24 July 2026

Solar flares are giant eruptions of electromagnetic radiation, including X-rays and ultraviolet light, which launch into space off the sun's surface, according to NASA. — Emily Mae Czachor, CBS News, 4 June 2026

Word History

First Known Use

1891, in the meaning defined above

Rhymes for electromagnetic radiation

• deinstitutionalization
• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration

Kids Definition

electromagnetic radiation

noun

: energy in the form of electromagnetic waves

also : a series of electromagnetic waves

Medical Definition

electromagnetic radiation

noun

: a series of electromagnetic waves