Definition of wavelength in English:


Syllabification: wave·length
Pronunciation: /ˈwāvˌleNG(k)TH


  • 1 Physics The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave. (Symbol: λ)
    More example sentences
    • Visible light consists of a ‘rainbow’ or spectrum of electromagnetic waves of different wavelengths.
    • Unfortunately, Earth's atmosphere blocks almost all wavelengths in the electromagnetic spectrum.
    • The most powerful telescopes in the world, spanning all wavelengths of the electromagnetic spectrum, were retooled and reprogrammed to observe the dying star.
  • 1.1A wavelength as a distinctive feature of radio waves from a transmitter.
    More example sentences
    • The transmitter generates low FM signals, which have a long wavelength, considerably longer than the circuit board itself.
    • The BBC had spread its music programming across its various wavelengths, but the late 1960s and the 1970s saw a movement for stations to be subject-specific.
  • 2A person’s ideas and way of thinking, especially as it affects their ability to communicate with others: when we met we hit it off immediately—we’re on the same wavelength
    More example sentences
    • Captain Ed and I are on the same wavelength!
    • I think the President was on the same wavelength.
    • ‘Most problems are a result of misunderstandings where partners are not operating on the same wavelength,’ said Barrie.

More definitions of wavelength

Definition of wavelength in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody