wavelength
wavelength (In French longueur d’onde) length of the oscillation period of a light ray measured in nanometers; 1 nm equals one thousandth of a micrometer or one millionth of a millimeter.
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wavelength (In French longueur d’onde) length of the oscillation period of a light ray measured in nanometers; 1 nm equals one thousandth of a micrometer or one millionth of a millimeter.