shortwave

名词 n. 形容词 adj. 副词 adv.
/ˈʃɔːtweɪv/    /ˈʃoɹtˌweɪv/

英文释义

名词 n.
  1. An electromagnetic wave with a relatively short wavelength; specifically, one with a wavelength generally between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.
    — Shortwaves are longer than microwaves.
  2. An electromagnetic wave with a relatively short wavelength; specifically, one with a wavelength generally between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.; Downward radiation in the shortwave (noun sense 1) frequency range which enters the Earth's atmosphere.
    — Shortwave fadeout data for the period 1955 through 1969 were analyzed and correlated with solar flare data for the same period. […] Some doubt is cast on the quality of the shortwave fadeout data during the early part of the period considered.
  3. An electromagnetic wave with a relatively short wavelength; specifically, one with a wavelength generally between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.; A waveband comprising radio waves in the shortwave (noun sense 1) frequency range, especially when used in broadcasting.
    — Many stations broadcast on shortwaves.
  4. An electromagnetic wave with a relatively short wavelength; specifically, one with a wavelength generally between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.; In full shortwave radio: a radio which is able to receive radio waves in the shortwave (noun sense 1) waveband.
    — Finally in all the crackle and noise of the short-wave one of our men made contact with another boat.
形容词 adj.
  1. Of a radio wave: having a wavelength of between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz. not-comparable
  2. Of radio equipment: capable of receiving or transmitting radio signals at wavelengths in the above range. not-comparable
副词 adv.
  1. Using radio waves having wavelengths of between 10 and 100 metres, corresponding to frequencies between 3 and 30 megahertz. not-comparable

词形变化

shortwaves plural short-wave alternative short wave alternative

词源

词源 1
The noun is derived from short (adjective) + wave (noun).
The adjective is from an attributive use of the noun. The adverb is also derived from the noun.
词源 2
The noun is derived from short (adjective) + wave (noun).
The adjective is from an attributive use of the noun. The adverb is also derived from the noun.
词源 3
The noun is derived from short (adjective) + wave (noun).
The adjective is from an attributive use of the noun. The adverb is also derived from the noun.
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