electromagnetic wave

noun

, Physics.

1. a wave produced by the acceleration of an electric charge and propagated by the periodic variation of intensities of, usually, perpendicular electric and magnetic fields.

electromagnetic wave

noun

1. See electromagnetic radiation
   a wave of energy propagated in an electromagnetic field See also electromagnetic radiation

electromagnetic wave

1. A wave of energy consisting of electric and magnetic fields, oscillating at right angles to each other.
2. See more at electromagnetic radiation

Word History and Origins

Origin of electromagnetic wave¹

First recorded in 1905–10