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Definitions of wavelength
  1. noun
    a shared orientation leading to mutual understanding
    "they are on the same wavelength"
    type of:
  2. noun
    the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave
    type of:
Definition that contains wavelength
  • a a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
  • infrared electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
  • infrared having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
  • hue the quality of a color as determined by its dominant wavelength
  • ultraviolet having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end
  • grating optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
  • angstrom a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
  • fluorescence light emitted during absorption of radiation of some other (invisible) wavelength
  • monochromatic (of light or other electromagnetic radiation) having only one wavelength
  • polychromatic (of light or other electromagnetic radiation) composed of more than one wavelength
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