electromagnetic wave


noun Physics.

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.
Also called electric wave.

Origin of electromagnetic wave

First recorded in 1905–10

British Dictionary definitions for electromagnetic wave

electromagnetic wave

noun

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

Scientific definitions for electromagnetic wave

electromagnetic wave

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