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单词 electromagnetic wave
释义

Definition of electromagnetic wave in English:

electromagnetic wave

noun
Physics
  • A wave consisting of a travelling periodic fluctuation in both an electric and a magnetic field, these fields being at right angles to each other and to the direction of propagation of the wave.

Origin

Late 19th century; earliest use found in Proceedings of the American Philosophical Society.

Definition of electromagnetic wave in US English:

electromagnetic wave

noun
Physics
  • A wave consisting of a travelling periodic fluctuation in both an electric and a magnetic field, these fields being at right angles to each other and to the direction of propagation of the wave.

Origin

Late 19th century; earliest use found in Proceedings of the American Philosophical Society.

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