noun
the branch of physics concerned with electromagnetic phenomena
• Syn: ↑electromagnetism
• Derivationally related forms: ↑electromagnetic (for: ↑electromagnetism)
• Hypernyms: ↑physics, ↑natural philosophy
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\\“+\ noun plural but singular in construction : electromagnetism 2
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/i lek'troh mag net"iks/, n. (used with a sing. v.)
electromagnetism (def. 2).
[ELECTROMAGNET + -ICS]
Useful english dictionary. 2012.